Evaporation

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Evaporation: Overview

This topic covers concepts, such as, Evaporation, Factors Affecting Evaporation, Advantage of Cotton Clothes in Summer & Formation of Water Droplets due to Evaporation etc.

Important Questions on Evaporation

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Why are places near the sea very humid?

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What is the presence of water vapour in the atmosphere?

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_____ is the process where water vapour becomes liquid.

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State why do we see water droplets on the outer surface of the glass?

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The rate of evaporation does not increase with:

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What is evaporation? Give some examples.

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How can the dissolved salt be separated from water?

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Condensed water changes into vapour.

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Which type of clothes absorbs the sweat easily thereby allowing it to evaporate easily?

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It is a hot summer day,Priyanshi and Ali are wearing a cotton and a nylon clothes respectively.Who do you think would be more comfortable?

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Identify the phenomenon responsible for the spread of disease spreading germs when we sneeze.

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The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called _____.

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Evaporation of a liquid at room temperature leads to a _____ effect.

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Which of the following conditions will increase the evaporation of water?

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During summer, _____ helps to keep the water in an earthern pot cool.

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During summer, water kept in an earthen pot so that it remains cool. The water becomes cool because of the phenomenon of

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If the surface area is increased, the rate of evaporation .

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Change of liquid state to gases state is known as _____.

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Sodium chloride can be separated from water by the physical process of _____.

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How will you prove that water vapour is present in the air?