Question

what is sublimation ? Give two example.

Answer 1

the process of changing solid directly into gas and gas directly into solid is called sublimation.
Ammonium chloride(nh4cl),napthalene ball,camphor etc.

Answer 2

sublimation is transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.Example of sublimation are
1)dry ice
2) frozen food