Tag: let's play with water

Questions Related to let's play with water

Which of the following involves evaporation

evs let's play with water law of constant proportion - i law of constant proportion law of definite proportions

  1. drying up of mopped floor

  2. Drying of wet hair after some time

  3. drying up of water bodies like lakes and rivers

  4. A,B,C

Show answer
Correct Option: D
Explanation:

Evaporation is the process of a liquid converts into gaseous phase.In all these process liquid moles are evaporated into gaseous phase.So all the above processes involves evoporation.
Hence option D is correct.

Formation of water droplets on cold soda can while we are having soda in summer season is due to :

evs let's play with water law of constant proportion - i law of constant proportion law of definite proportions

  1. Condensation

  2. Evaporation

  3. Sublimation

  4. Freezing

Show answer
Correct Option: A
Explanation:

The formation of water droplets on cold soda can while having soda in summer season is due to the process of condensation.

Condensation is the process where:

evs let's play with water law of constant proportion - i law of constant proportion law of definite proportions

  1. solid substance converts into gas

  2. liquid substance converts into gas

  3. gaseous substance converts into liquid

  4. solid substance converts into liquid

Show answer
Correct Option: C
Explanation:

Condensation is the process where a gaseous substance converts into liquid.
Ex: Rainfall.


Hence option C is correct.

The mirror in the bathroom during a shower becomes foggy due to:

evs let's play with water law of constant proportion - i law of constant proportion law of definite proportions

  1. condensation

  2. evaporation

  3. sublimation

  4. both A and B

Show answer
Correct Option: A
Explanation:
The mirror in the bathroom during a shower becomes foggy because warmer water vapor in the air hits the cooler surface of the mirror. This phenomenon is due to condensation. Hence option A is correct.