Question

3. Spirit kept open in a watch glass disappears after some time.
Which among the following phenomena are responsible for
this?
a) sublimation b) distillation
c) evaporation c) diffusion
​

Answer 1

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Answer:

(C) Evaporation

Explanation:

> Evaporation is the conversion of a liquid to gaseous state increase of certain liquids the Evaporation point is very low.

> As a result of this they turn into vapour if an at room temperature  spirit when kept without mixing with water has very low Evaporation point. Hence it gets converted into colorless gases and it seems to have disappeared after sometime. in case of naphthalene the phenomena which is responsible is known as sublimation.