Statefor each of the following whether it is dueto evaporation or condensation:
(a) Waterdrops appear on the outer surface of a glass containing cold water.
(b) Steamrising from wet clothes while they are ironed.
(c) Fogappearing on a cold winter morning.
(d) Blackboarddries up after wiping it.
(e) Steamrising from a hot girdle when water is sprinkled on it.

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Solution

(a) Water drops appearon the outer surface of a glass containing cold water. (Condensation)
(b) Steamrising from wet clothes while they are ironed. (Evaporation)
(c) Fogappearing on a cold winter morning. (Condensation)
(d) Blackboarddries up after wiping it. (Evaporation)
(e) Steamrising from a hot girdle when water is sprinkled on it. (Evaporation)

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Similar questions

State for each of the following whether it is due to evaporation or condensation:

(a) Water drops appear on the outer surface of a glass containing cold water.

(b) Steam rising from wet clothes while they are ironed.

(d) Blackboard dries up after wiping it.

(e) Steam rising from a hot girdle when water is sprinkled on it.

State for each of the following whether it is due to evaporation or condensation :
(a) Water drops appear on the outer surface of a glass containing cold water.
(b) Steam rising from wet clothes while they are ironed.
(c) Fog appearing on a cold winter morning.
(d) Blackboard dries up after wiping it.
(e) Steam rising from a hot girdle when water is sprinkled on it.

Question 2 (a)

State for the following whether it is due to evaporation or condensation:
Water drops appear on the outer surface of a glass containing cold water.

Question 2 (b)

State for the following whether it is due to evaporation or condensation:
Steam rising from wet clothes while they are ironed.

Blackboard dries up after wiping it with water. This is because of phenomenon X. The droplets on the outer surface of the cold glass are due to phenomenon Y. Which one of the following is correct?

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