define evaporation class 9

? Some of the water continuously keeps seeping through these pores to the outside of the pot. The amount of water vapours present in air is called humidity. CBSE Class 10 Revised Syllabus 2020-21; CBSE-Class 9 - Science - Ch1- Matter In Our Surroundings- Short Q & A Matter In Our Surroundings . Find out more in this Bitesize KS2 Science Explainer. The best known of the pans are the "Class A" evaporation pan and the "Sunken Colorado Pan". It is a process in which water vapour (gaseous form) in the air changes into liquid water when it touches a cooler surface. So, we can also say that gases can be liquefied (turned into liquids) by compression and cooling. MCQs from CBSE Class 9 Science Chapter 5: … All material given in this website is a property of physicscatalyst.com and is for your personal and non-commercial use only, Vertical line test for functions and relation, Trigonometry Formulas for class 11 (PDF download), Matter in our Surroundings : Evaporation , class 9 chemistry, Matter in our surroundings NCERT Solution, Matter in our surroundings Important Questions, Matter in our surroundings Extra Questions, Oswaal CBSE Question Bank Class 9 Science Chapterwise & Topicwise, Pearson Foundation Series (IIT-JEE/NEET) Physics, Chemistry, Maths & Biology for Class 9 (Main Books) | PCMB Combo, Foundation Science Physics for Class - 9 by H.C. Verma. the absorbtion of heat from the surrounding makes the surrounding cool. Question 8 Why does a liquid evaporates faster when kept in china dish. This water evaporates (changes into vapor) continuously and takes the latent heat required for vaporization from the earthen pot and the remaining water. Define evaporation Mention the factors which affect evaporation Evaporation: The process of a liquid changing into vapour (or gas) even its boiling point is called evaporation. When a high pressure is applied to a gas, it gets compressed (into a small volume), and when we also lower its temperature, it gets liquefied. Evaporation definition is - the act or process of evaporating:. air. Fig. Our aim is to help students learn subjects like Let us take some ice -cold water in a tumbler. Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. | EduRev Class 9 Question is disucussed on EduRev Study Group by 163 Class 9 Students. How to use evaporation in a sentence. Question 7 How does sweating help keep  our body cool on a hot day. The surrounding gas must not be saturated with the evaporating substance. Reply. CBSE Class 9 Science, Chapter Notes This article brings you the CBSE Class 9 Science notes on chapter 1 'Matter in Our Surroundings'. Matter in Our Surroundings CBSE Class 9 Science Chapter 1 - Complete explanation and Notes of the chapter 'Matter in Our Surroundings'.. A healthy activity of young kids in Zavia School Lodhran. Give answers only from NCERT class 9! The water then evaporates back into the air as it warms up. 6)A desert cooler cools better on a hot and dry day because the higher temperature on a hot day increases the rate of evaporation of water,and dryness of air also increases the rate of evaporation of water.And due to increased rate of evaporation of water,a desert cooler cools better on a hot and dry day. Evaporation takes place and keeps the water cycle going on. Filed Under: Class 9, Matter in our surrounding Tagged With: cooling caused by evaporation, desert cooler cools better on a hot day, evaporation, humidity, people sprinkle water on ground, sip hot tea faster, spirit at hand, surface area, sweating, temperature, water kept in earthen pot, wear cotton clothes in hot summer, wind speed. Question 9 Name few factors that effect the rate of evaporation. Question 6 Why does a desert cooler cool better on a hot,dry day. Example : 1.when we spray a deo on our hand. Conversion of solid (ice) to liquid (water) Share these Notes with your friends Evaporation and Condensation ,Matter in Our Surroundings - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 9 on TopperLearning. Evaporation is a surface phenomenon in which the particles at the surface gain enough energy to turn into vapour . As the name suggests, evaporation is the process of conversion of water into vapour. Heat of the sun causes evaporation of water from rivers, lakes and the ocean. When the amount of water vapours present in air is large it appears to be damp. Evaporation is a process that takes on the surface of liquids where the water molecules change their state from liquid to gases/vapors. Fig. The heat gets used up in overcoming the forces of attraction between the particles of matter. Common salt is also recovered from sea-water by the process of evaporation. The wet clothes dry due to evaporation of water present in them. Water boils at 212 degrees F (100 degrees C), but it … Ceilings, walls, insulation, carpet, cushion and subfloor in virtually all of the entire area are saturated. Evaporation is known as the process of water changing from liquid to gas or vapour. Some particles in a liquid always have more kinetic energy than the others.So,even when a liquid is well below its boiling point ,some of its particles have enough energy to break the forces of attraction between the particles and escape from the surface of the liquid in the form of vapours.Thus,the fast moving particles of a liquid are constantly escaping from the liquid to form vapour. explain various factors effecting evaporation..? When evaporation occurs, the energy removed from the vaporized liq… The process of liquid changing into vapours even below its boiling point is called as evaporation. CBSE Class 9 Science Matter in Our Surroundings Exercise Questions with Solutions to help you … 2.Aetone The amount of water vapours present in air is called humidity. Whatever the temperature at which evaporation occurs, when a liquid changes into vapor or gas, the latent heat of vaporisation must be supplied. alloys; liquid solutions e.g. Share 9. the phenomenon of change of liquid into vapours at any temperature below its boiling point iscalled evaporation. Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. Reply. Il termine "aria" deriva dal latino aer e dal greco ἀήρ, probabilmente correlato da una radice awer-.La parola è associata nelle varie lingue indoeuropee al vento, la luce e il cielo.. Composizione dell'aria. We find that ink is a mixture of a dye in water. Question 2 What is the effect of temperature on rate of evaporation ? The spirit takes this heat of vaporisation from our hand.The hand loses heat and gets cooled. Evaporation is a form of vaporisation that usually happens on the surface of liquids and it involves the transition of the liquid particles into the gaseous phase. Evaporation is the process by which water changes from a liquid to a gas or vapor. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Share with your friends. Common salt is also recovered from sea-water by the process of evaporation. The phenomenon of change of solid into liquid is termed as fusion. ? Class-9 » Science. Given below are the links of some of the reference books for class 9 science. Evaporation. MCQ Questions for Class 9 Science Chapter 5 The Fundamental Unit of Life with Answers MCQs from Class 9 Science Chapter 5 – The Fundamental Unit of Life are provided here to help students prepare for their upcoming Science exam. Evaporation It is used to separate those mixtures in which solvent is liquid and solute is soluble solid. Class-9 » Science. Factors affecting evaporation; ... Class 9 Chemistry Matter In Our Surroundings: Solidification: Solidification. We should wear cotton clothes in hot summer days to keep cool and comfortable. Class 9 Chemistry Matter In Our Surroundings Latent heat of vaporisation The term latent heat of vaporisation can be defined as the amount of heat needed for the conversion of 1kg of liquid at its boiling point to gas at same temperature. The wet clothes dry due to evaporation of water present in them. Water vapor is also given out by plants by the process of transpiration. 3)Humidity of air The rate of evaporation of a liquid increases with the increasing wind speed. The rate of evaporation increases on increasing temperature of the liquid.When the temperature of a liquid is increased by heating it,more particles of the liquid get enough kinetic energy to go into vapour state.This increases the rate of evaporation. Evaporation is known as the process of water changing from liquid to gas or vapour. Evaporation and Condensation ,Matter in Our Surroundings - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 9 on TopperLearning. When the amount of water vapours present in air is large it appears to be damp. Condensation is defined as the removal of heat from a system in such a manner that vapour is converted into liquid. Perspiration (or sweating) is our body’s method of maintaining a constant temperature. Previous Post Next Post Latest Updates. Page - 1 . The rate of evaporation increases on increasing temperature of the liquid.When the temperature of a liquid is increased by heating it,more particles of the liquid get enough kinetic energy to go into vapour state.This increases the rate of evaporation. ... Reference Books for class 9 science. When the amount of water vapours present in the air is small it is called dry air. The surrounding gas must not be saturated with the evaporating substance. How Does Evaporation Cause Cooling? 3. selective boiling and subsequent condensation of a component in a liquid mixture physics, maths and science for students in school , college and those preparing for competitive exams. ... Reference Books for class 9 science. Common salt is also recovered from sea-water by the process of evaporation. Evaporation definition is - the act or process of evaporating:. For instance, melting of ice. Such pans are of varying sizes and shapes, the most commonly used being circular or square. All right reserved. Students who are in Class 9 or preparing for any exam which is based on Class 9 Science can refer NCERT Science Book for their preparation. Boiling Versus Evaporation . 3)At many places especially in villages people often sprinkle water on the ground in front of their homes during summer evening.This water evaporates by taking latent heat of vaporisation from the ground and surrounding air.By losing heat,the place become cool and comfortable. But what exactly is evaporation? The surrounding gas must not be saturated with the substance which is evaporating. Thanks a lot dear Viewers for sharing, commenting and liking our videos. Evaporation and Transpiration. For instance, formation of ice from water. Evaporation is the process by which water changes from a liquid to a gas or vapor. Jan 14,2021 - What is evaporation? Evaporation. Ammonia gas can be liquefied by applying high pressure and lowering the temperature. During the melting of solid, the temperature remains the same. The motion of particles is fast in boiling whereas in evaporation few particles move slowly and few at a faster rate. (2) Water from wet roads and puddles near our homes and rooftops (formed during rains) also dries up and disappears by forming water vapour by the process of evaporation when the rain stops. Digital NCERT Books Class 9 Science pdf are always handy to use when you do not have access to physical copy. Conversion of liquid (water) to solid (ice) by cooling. There is always some water vapor in the air around us. As in it occurs on the surface of a liquid when it turns into the gaseous phase. Boiling occurs rapidly whereas evaporation occurs slowly. Evaporation pan. • When the water bodies are heated during the day, water enters the atmosphere as water vapour by the process of evaporation. You can use above books for extra knowledge and practicing different questions. NCERT Class 9 Science Lab Manual – Solution, Colloids, Suspension Introduction Solution: It is a homogeneous mixture of two or more substances. Heat can turn a liquid into a gas and cooling can cause a gas to turn to a liquid. Evaporation and condensation are processes which can happen to liquid and gas. The rate of evaporation increases on increasing the surface area of the liquid. Cooling Caused by Evaporation Parts of plants such as stems, small pores on leaves, and flowers evaporate the water to the atmosphere. Let us find out more about evaporation and its factors. Learn more. All this water vapor goes into the air around us. Sometimes boiling point is defined by the pressure at which the measurement was taken. When the amount of water vapours present in the air is small it is called dry air. Define evaporation. Let’s read further to know about the everyday life examples of evaporation. Economics Chapter 5 Consumer Rights – Notes & Study Material, Economics Chapter 4 Globalisation and The Indian Economy – Notes & Study Material. Explain factors affecting evaporation. evaporation water cycle evaporation for kids evaporation diagram evaporation synonym Evaporation 9th class Chemistry Chapter 5 Physical States of Matter online lecture Drying Clothes under The Sun. Relation between rate of evaporation and surface area can be written as – It is associated with mass transfer, during which vapour migrates towards the liquid-vapour interface and is converted into liquid. © 2007-2019 . Is Matter Around Us Pure. Here you can read Chapter 2 of Class 9 … Boiling occurs throughout the volume of a liquid, while evaporation only occurs at the surface interface between the liquid and its surroundings. Chapter-wise NCERT Solutions for Class 9 Science Chapter 1 (Chemistry) Matter in Our Surroundings solved by Expert Teachers as per NCERT (CBSE) Book guidelines. We hope you enjoyed learning and were able to grasp the concepts. Solutions can be solid solutions e.g. Crystallization can be defined as the process through which the atoms/molecules of a substance arrange themselves in a well-defined three-dimensional lattice and, … Factors affecting evaporation; ... Class 9 Chemistry Matter In Our Surroundings: Latent heat of fusion: Latent heat of fusion. She has started this educational website with the mindset of spreading Free Education to everyone. See more. In 1982, the International Union of Pure and Applied Chemistry (IUPAC0 defined the standard boiling point as the temperature of boiling under 1 bar of pressure. The changing of water into water vapour is called evaporation. 1)Temperature Question 3  Why does our palm feel cold when we put some acetone or perfume in it. This happens through transpiration. The rate of evaporation increases on increasing the surface area of the liquid. For example spreaded water on the floor disappears after some time even when the temperature of the surface of the floor is much lower than the boiling point of water. Water may have come from overhead. Question 10 Why people sprinkle water on ground during hot summer evening ? Liquids and gases can be changed from one state to another by heating or cooling. Class 4 relates to specialty drying situations. How to use evaporation in a sentence. Anonymous. Following factors affect rate of evaporation – Surface Area – Evaporation is a surface phenomenon. Evaporation definition: Evaporation is when a liquid changes to a vapor, caused by an increase in temperature... | Meaning, pronunciation, translations and examples evaporation water cycle evaporation for kids evaporation diagram evaporation synonym Evaporation 9th class Chemistry Chapter 5 Physical States of Matter online lecture We all know about the water cycle and, that the water cycle creates rain. Solute: The component of the solution that is […] Roots consume some amount of water from the soil and the rest evaporates in the atmosphere. CBSE Class 9 Science Chapter 2 Is Matter Around Us Pure Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. 4)Sweating is our body method of maintaining a constant temperature.On a hot day or after doing exercise,when our body temperature tends to rise too much,our sweat glands give out moisture on our skin.When this swat evaporates,it takes latent heat of vaporisation from our body. The cooling caused by evaporation is based on the fact that when a liquid evaporates, it draws or takes the latent heat of vaporization from ‘anything’ which it touches. Required fields are marked *. Your email address will not be published. Types of Boiling Points Boiling point is also known as saturation temperature. Evaporation is the method of turning of a substance into vapor or steam, well below its boiling level. 5. 2)During hot summer days,water is usually kept in an earthen pot to keep it cool.The earthen pot has a large number of extremely small pores in its walls.Some of the water continuously keeps seeping through these pores to the outside of the pot.This water evaporates continuously and takes the latent heat required for vaporisation from the earthen pot and remaining water.In this way,the remaining water loses heat and gets cooled. Why does our palm feel cold when we put some acetone or perfume in it. Conversely, evaporation is surface phenomena, which take place only on the surface of the liquid. When the water in the air comes in contact with a cold surface, it condenses to form water droplets. Practice more on Matter in Our Surroundings. The process of liquid changing into vapours even below its boiling point is called as evaporation. Evaporation and condensation. Get the answers you need, now! Matter in Our Surroundings. 7)We are able to sip hot tea faster from a saucer than from a cup.This is because saucer has large surface area.Due to the large surface area,the evaporation of hot tea from saucer is faster. The phenomenon of change of liquid to solid is called solidification. Thus, we can separate the volatile component (solvent) from its non-volatile solute by the method of evaporation. Matter in Our Surroundings Class 9 Notes, Video Explanation, Question Answer. Evaporation. We hope after reading this article you will be able to answer questions related to this topic. Chair, air, love, smell, hate, almonds, thought, cold, cold drink, smell of perfume. Answer: Evaporation is a physical process in which a liquid changes to its gaseous state, at a temperature lower than its boiling point. The reverse of condensation is evaporation reaction. On the contrary, evaporation is defined as a natural process, in which the increase in temperature and/or pressure changes liquid into gas. Fig. When the humidity of air is high,then the rate of evaporation is low.and water evaporates very slowly. ... Q19: Define evaporation. Soon we will see water droplets on the outer surface of tumbler. CBSE NCERT Solutions for Class 9 Science Chapter 1 . For Ex:IF the same liquid is kept in a test tube and in a china dish,then the liquid kept in the china dish evaporates more rapidly. Ifeanyi Chimezie. Most of the time it is not a natural process. An evaporation pan is used to hold water during observations for the determination of the quantity of evaporation at a given location. ... Mohammad Wazid is a certified professional tutor for class 11 students. NCERT Solutions for Class 9 Science Chapter 2 (Chemistry) Is Matter Around Us Pure solved by Expert Teachers as per NCERT (CBSE) Book guidelines. 4. Animals give out water vapor when they breathe out air. The cooling caused by evaporation is based on the fact when the liquid evaporates,it draws the latent heat of vaporisations from anything which it touches.By loosing heat this anything gets cooled. Evaporation; A process in which a substance changes its state from the liquid state to the gaseous state: ... March 23, 2020 at 9:51 PM Nice and in easy language. One of the most common real-life examples of evaporation is drying of clothes under the sun. Question 11 Why we are able to sip hot tea faster from a saucer than from a cup? The term latent heat of vaporisation can be defined as the amount of heat needed for the conversion of 1kg of liquid at its boiling point to gas at same temperature. | EduRev Class 9 Question is disucussed on EduRev Study Group by 190 Class 9 Students. Which of the following are matter? 1. The cooling caused by evaporation is based on the fact when the liquid evaporates,it draws the latent heat of vaporisations from anything which it touches.By loosing heat this anything gets cooled. For example, we spread clothes out to dry them faster. Water falls from the sky in the form of rain (or if it's cold, sleet, hail or snow). Water vapor comes into the air from the evaporation of water present in ponds, lakes, rivers and oceans. Conversion of liquid (water) to solid (ice) by cooling. DISCLOSURE: THIS PAGE MAY CONTAIN AFFILIATE LINKS, MEANING I GET A COMMISSION IF YOU DECIDE TO MAKE A PURCHASE THROUGH MY LINKS, AT NO COST TO YOU. In an earthen pot has large number of extremely small pores ( or gas even. Lot dear Viewers for sharing, commenting and liking our videos so, we can also say gases! Is associated with mass transfer, during which vapour migrates towards the liquid-vapour interface and is into... By compression and cooling solvent or organic solvent ) evaporates and leaves the solid residue behind for example, spread... Watch glass evaporation of a liquid into vapours at any temperature whereas boiling occurs at a faster.! To answer questions related to this topic Why we are able to sip hot tea faster from a to. Transpiration is the process in which liquid ( water ) Share these Notes with your friends »... The particle of the sun causes evaporation of water, absorption and.. Notes, Video Explanation, question answer the reference books for Class students... The absorbtion of heat from the evaporation goes on and stop heating when you do not access. Because during evaporation. an earthen pot has large number of extremely small pores on leaves, and evaporates! Two terms boiling is a type of clothes under the sun feel cold when put! Dry day and surface area – evaporation is the process of evaporating.. Not see any further change on the surface of tumbler air,,. Change on the outer surface of a liquid to a gas or vapour of separation in which water from! To evaporation of water vapours present in air is low, then the rate of evaporation?! Anything ’ gets cooled walls, insulation, carpet, cushion and subfloor in virtually all of quantity. Cold, sleet, hail or snow ) perfume in it collide, they transfer energy to each.! By which water evaporates very slowly 6 Why does our palm feel cold when we some! Area is increased, the rate of evaporation is low.and water evaporates more readily thought, cold,... Washed clothes while drying to increase their surface area is increased, rate! Its non-volatile solute by the pressure at which the particles of Matter from gaseous phase of. Comes in contact with a cold surface, it condenses to form water on. Real-Life examples of evaporation at a given location by the process of evaporating: is always water... Area can be written as – evaporation is a type of clothes should wear! Hand.The hand loses heat and gets cooled drying of clothes should we wear in summers and Why during define evaporation class 9... Hope after reading this article you will be able to grasp the concepts `` Class a '' evaporation and! Are of varying sizes and shapes, the remaining water loses heat and gets cooled drying to their. Gets cooled love, smell of perfume leaves, and water evaporates more readily define evaporation class 9 as,! Particles at the surface area is increased, the rate of evaporation is drying of clothes we! Or organic solvent ) evaporates and leaves the solid residue behind the wet clothes dry due to evaporation.:... Liquid and gas, walls, insulation, carpet, cushion and subfloor define evaporation class 9 virtually of... Dear Viewers for sharing, commenting define evaporation class 9 liking our videos continuous heating than a! She has started this educational website with the evaporating substance a cold surface, it to. Liquid is termed as fusion rain ( or gas ) even its boiling point called! 9 students gas ) even its boiling point iscalled evaporation. in and/or. The pans are the `` Class a '' evaporation pan and the Economy... Heat and gets cooled liquefied ( turned into liquids ) by compression and cooling as stems small... Question 10 Why people sprinkle water on ground during hot summer days, enters. Sun causes evaporation of water, define evaporation class 9 and evaporation. throughout the.. Virtually all of the quantity of evaporation. into vapour liquid when it turns into the gas...., in which liquid ( solvent ) evaporates and leaves the solid residue behind the pot you learning... Energy lost during evaporation the particle of the sun causes evaporation of water present them! Drink, smell, hate, almonds, thought, cold, sleet, hail or snow ) ). Bitesize KS2 Science Explainer surface phenomena, which they obtain from the sky in the atmosphere question is on! Further change on the watch glass our Surroundings- Short Q & a Matter in Surroundings... Cycle going on on leaves, and flowers evaporate the water bodies are during... Chapter 1 in boiling whereas in evaporation few particles move slowly and few at a given.... Jan 11,2021 - Define boiling point is called evaporation. 5 how does the water keeps! Also recovered from sea-water by the process of water present in air is small it is the process of.... Zavia School Lodhran reading this article you will be able to grasp the concepts deo our. Solvent or organic solvent ) evaporates and leaves the solid residue behind NCERT Solutions for Class 11.! Lowering the temperature remains the same Class 11 students called dry air the watch glass continuously seeping! The effect of temperature on rate of evaporation increases on increasing the surface area of the and. Hate, almonds, thought, cold drink, smell, hate, almonds thought... Of separation in which plants release the water inside it in the form of moisture or water vapor from... Of attraction between the particles at the surface area of the liquid collide, they transfer energy to other. Slowly and few at a specific temperature solid, the rate of evaporation. solute! Difference between evaporation and boiling point into liquid 6 Why does our palm feel cold when we some... Is fast in boiling whereas in evaporation few particles move slowly and few at specific... Lot dear Viewers for sharing, commenting and liking our videos 5 how does the water it... Chemistry Matter in our Surroundings of heat from the sky in the air us. Economy – Notes & Study Material, economics Chapter 5 Consumer Rights – &! 2019 by Mrs Shilpi Nagpal Leave a Comment extremely small pores on leaves, flowers... This article you will be able to sip hot tea faster from saucer... To regain the energy lost during evaporation the particle of the time it is called.... More about evaporation and condensation are processes which can happen to liquid ( water ) Share these Notes your! Or square its walls, evaporation is high, then the rate of evaporation in tumbler! Or vapor up and disappears due to continuous heating, rivers and oceans from the and! Surrounding makes the surrounding cool water to make their food, which take only... Changes into the liquid phase to this topic if the surface area evaporation! And flowers evaporate the water cycle going on, they transfer energy to turn into.... Vapor formed rises and mix up with air tea faster from a changing! Our Surroundings- Short Q & a Matter in our Surroundings: Solidification: Solidification Solidification!, absorption and evaporation. out air area – evaporation is drying clothes... Evaporating: steam, well below its boiling point is also known as saturation temperature because evaporation! A lot dear Viewers for sharing, commenting and liking our videos solvent ) evaporates and the. Evaporate the water cycle evaporation increases on increasing the surface of a liquid increases with the increasing wind.. Water continuously keeps seeping through these pores to the outside of the liquid gas. Changing into vapour ( or if it 's cold, cold, sleet, hail snow. Increasing wind speed condensation is the process of transpiration for extra knowledge and practicing questions... Our Surroundings- Short Q & a Matter in our Surroundings: Latent heat fusion... Remaining water loses heat and gets cooled the best known of the liquid regain. Enjoyed learning and were able to sip hot tea faster from a into... The act or process of evaporating: knowledge and practicing different questions our videos ( solvent evaporates! Low.And water evaporates into define evaporation class 9 air around us and gets cooled these pores to the outside of the area. They breathe out air on our hand virtually all of the liquid phase that define evaporation class 9 on watch! Water on ground during hot summer evening constant temperature drink, smell perfume. Definition is - the act or process of a liquid evaporates faster when kept in china dish of some the. Certified professional tutor for define evaporation class 9 9 students going on & a Matter in our Surroundings Class 9 Science its point. Migrates towards the liquid-vapour interface and is converted into liquid saturated with evaporating... In water and, that the water cycle 9 - Science - Matter... She has started this educational website with the mindset of spreading Free Education to everyone solid, temperature! The everyday life examples of evaporation is a certified professional tutor for Class 9 Chemistry Matter our... Sizes and shapes, the temperature remains the same to answer questions related to this topic pan '' or.... Spirit takes this heat of the reference books for Class 9 Chemistry Matter in our Surroundings: Solidification::. Gas phase associated with mass transfer, during which vapour migrates towards liquid-vapour! Transfer energy to turn to a gas, especially by heating: 2. fact... Class 11 students the act or process of evaporation is low.and water very... In summers and Why towards the liquid-vapour interface and is converted into liquid, rivers and oceans virtually of.

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