Question

5 ml of water was taken in a test tube and China dish separately these samples were then kept under different conditions as below both the samples are kept under a fan both the samples are kept inside a cupboard (1) state in which case evaporation will be faster? give reasons. (2) how will the rate of evaporation change if above activity is carried out on a rainy day? justify​

Answer 1

Answer:

1. Evaporation will be faster under a fan. Since fan helps in the fast movement of the air, water will get more opportunity to evaporate under a fan than inside a cup board. In this case, the outside air will not come in contact with water. (b) On a rainy day, there is humidity in air.
2. How will the rate of evaporation change if above activity is carried out on a rainy day ? Justify your answer. ... (a) Evaporation will be faster under a fan. Since fan helps in the fast movement of the air, water will get more opportunity to evaporate under a fan than inside a cup board.