Question

5 ml of water is taken in a china dish and in a test tube separately. These samples were placed under different conditions as given below
1. Both the samples were kept under fan.
2.Both the samples were kept inside a cupboard.

a) How will the rate of evaporation change if the above activity is carried out on a rainy day. Justify your answer.

Answer 1

Here , We proving two things that the larger the surface exposed larger will be the evaporation as in the case water kept in china dish .

Second thing is that on a rainy day number of the vapours present in atmosphere is already more so the rate of evaporation is decreases on a rainy day if u do the same experiment . the rate of evaporation is more when we put both the sample under fan in normal condition . The water of dish evaporate earlier than that of test tube .

than comes the evaporation inside a cupboard which will be so slow down in the case of both containers .  

Answer 2

Explanation:

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