Question

write an activity on matter can change its state ​

Answer 1

Answer:

Heating

Explanation:

for example

ammonia in gaseous state reacts with hydrogen chloride which is also a gas to form a solid ammonium chloride.

Answer 2

ice to water to water vapour

and also many other things like cuso4 crystals to solution

petrol changes form when used as fuel

hope it helps....