Question

A mixture contains four solid organic compound s ab c d on heating c changes from solid to vapour state

Answer 1

c changes from solid to vapour state this process is known as sublimation. in this process solid firectly changes in vapour stae on heating without changing in liquid state. and these substances are volatile solid and have tendency to sublime eg:- naptholene ball

Answer 2

Solution:

Substance 'c ' changes from solid directly to vapour state.

It can be separated from the rest substances by Sublimation.

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

Substance 'c' can be Napthalene ball or camphor.