Question

A Student heated copper sulphate crystals in a dry test tube and made the
following observations, identify the correct observation
(a) Large amount of heat is produced
(b) Fizzing sound is produced
(c) colour of crystals changed
(d) Evolution of gas​

Answer 1

Answer:

colour of crystals changed

hope it will help u

Answer 2

Answer:

c) colour of crystals changes

Explanation:

due to dehydration it loses water so its colour changes

i think u understood the reason and the answer,