Describe the factors affecting evaporation ?
(a) Why do we wear cotton clothes in summers?
(b) Why do we feel cold, when we keep acctone and ether on our
palm?
Answers
Answer:
a) Because cotton clothes attract less heat rather than black colour or cloths made from other materials.
b) When we put some acetone or petrol or perfume on our palm, it evaporates. During evaporation, particles of the liquid absorb energy from the surface of the palm to compensate for the loss of energy, making the surroundings cool. Hence, our palm feels cold when we put some acetone or petrol or perfume on it.
Explanation:
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Answer:
factors effecting evaporation are pollution loss of trees etc
we wear cotton clothes in summer because they are thin and air can go inside easily and sweat also absorbed by it when this sweat is evaporated it makes cool
acetone and ether are substances which makes the place where they are kept cool it is a chemical ether is also used in perfumes