Question

THE COLOUR OF COPPER SULPHATE SOLUTION BEFORE THE REACTION IS

Answer 1

The colour of any copper  salt is light blue in colour. You can find the cation as copper if it is blue. There is a different test for finding the anion , in this case sulphate. Usually copper sulphate is light blue in colour.

Answer 2

Hy mate here is your answer

before the reaction it's colour is blue

hope it's help you dear✌️✌️