Consider the following incomplete sentence
(i) When most liquids are cooled, they eventually freeze and form ….
(ii) Ice is a…..
These are complated by

Give reasons for the following in one or two sentences. (i) Equal volumes of gases contain equal number of moles. (ii) A bottle of liquid ammonia should be cooled before opening the stopper.

Give reasons for the following in one or two sentences. (i) Equal volumes of gases contain equal number of moles. (ii) A bottle of liquid ammonia should be cooled before opening the stopper.

Interpret the following a) A cooling effect is produced when two liquids are mixed. b) A warm solution is formed, when two liquids are mixed.