Question

prepare an activity to show that effect of surface area on evaparation​

Answer 1

Answer:

Aim:

To prove that Rate of evaporation increases with increase in surface area.

Apparatus required:

Any liquid[water], Petridish and test tube.

Procedure :

1. Take 10ml of water  in petridish and test tube and keep them under the fan.

2. Note down the time taken for evaporation in both the cases.

Observation:

-->we observe that more amount of water is evaporated in case of petridish.

since evaporation is a surface phenomena, during evaporation process the particles escape from the surface of liquid .

-->The increase in the surface are provides more scope fro particles from the surface.Hence increases rate of evaporation

Conclusion:

If surface  area increases then rate of  Evaporation increases

Answer 2

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Explanation:

we observe that more amount of water is evaporated in case of petridish. since evaporation is a surface phenomena, during evaporation process the particles escape from the surface of liquid .

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