Q15 of 160 Page 36

What is the mane of the process in which:

(a) A solid turns directly into a gas?


(b) A gas turns directly into a solid?

(a) The changing of a solid directly into vapor (or gas) is called sublimation.

(b) The changing of vapor (or gas) directly into solid is called sublimation.


More from this chapter

All 160 →
13

Name the temperature at which:

(a) A liquid changes into a gas


(b) A solid changes into a liquid.

 14

Name one common substance which can be easily changed from one state to another by heating or cooling.

 16

Name one property which is shown by ammonium chloride but not by sodium chloride.

 17

What is the name of the process due to which dry ice changes into carbon dioxide gas?