EASY
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Evaporation with increase in temperature.

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Important Questions on Matter in our Surroundings

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Science>Chemistry>Matter in our Surroundings>Evaporation
A person takes hot coffee by pouring it into the saucer when he is in a hurry because he knows that:
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Science>Chemistry>Matter in our Surroundings>Evaporation

Let T = Temperature; H = Humidity and v = Wind speed
Which of the following are the best suited conditions for drying up of clothes?

MEDIUM
Science>Chemistry>Matter in our Surroundings>Evaporation
Read the following and select the correct option.
Statement (a) : When we pour little petrol on our palm, it causes the palm to feel cool.
Reason (b) : Particles of petrol evaporate using the energy from our palm which causes the palm to feel cool. 
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Science>Chemistry>Matter in our Surroundings>Evaporation
The water kept in an earthen pot(matka) become cool during summer by which process?
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Science>Chemistry>Matter in our Surroundings>Evaporation

Why do we feel cool under a fan when we perspire?

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Science>Chemistry>Matter in our Surroundings>Evaporation

During summer months, water kept in an earthen pot becomes cool due to the phenomenon of

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Science>Chemistry>Matter in our Surroundings>Evaporation

Why does water evaporate faster in a Petri dish than in a test tube?

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Science>Chemistry>Matter in our Surroundings>Evaporation
Why does ethanol evaporate faster than water?
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Science>Chemistry>Matter in our Surroundings>Evaporation
Which condition out of the following will increase the evaporation of water?
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Science>Chemistry>Matter in our Surroundings>Evaporation
The rate of evaporation does not depend on -
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Science>Chemistry>Matter in our Surroundings>Evaporation

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

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Science>Chemistry>Matter in our Surroundings>Evaporation
Why does water get cooled in an earthen pot?
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Science>Chemistry>Matter in our Surroundings>Evaporation
Give an example which indicates that evaporation is a cooling process.
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Science>Chemistry>Matter in our Surroundings>Evaporation
Evaporation is a surface phenomenon.
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Science>Chemistry>Matter in our Surroundings>Evaporation
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
MEDIUM
Science>Chemistry>Matter in our Surroundings>Evaporation
In the absence of a refrigerator, butter is kept wrapped in a wet cloth during summer. Why?
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Science>Chemistry>Matter in our Surroundings>Evaporation
Which of the following is responsible for the rate of increase in evaporation?
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Science>Chemistry>Matter in our Surroundings>Evaporation

What are the factors which affect the rate of evaporation?

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Science>Chemistry>Matter in our Surroundings>Evaporation
Why do we wear cotton clothes in summer? 
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Science>Chemistry>Matter in our Surroundings>Evaporation

Why does our palm feel cold when we put some acetone, ethyl alcohol, petrol or perfume on it?