Question

Give one example of each
(a). Change which occurs on heating but cannot be reversed.
(b). Change which occurs on heating but can be reversed.
(c). Change which occurs on cooling but can be reversed.
(d). Changes which occur on mixing two substances but cannot be reversed.
(e). Changes which occur on mixing two substances but can reversed.

Answer 1

Answer:

a) Evaporation

b) Melting

c) Freezing

d) Diffusion

e) Dissolving

I hope this helps :)