Question

7. What is sublimation ?​

Answer 1

Explanation:

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. So, all solids that possess an appreciable vapour pressure at a certain temperature usually can sublime in air (e.g. water ice just below 0 °C).

Answer 2

Answer:

this is a process by which solid directly transfer in gas