Question

8. 'A' is a blue colouredcrystaline salt. On heating it loses blue colour and to give 'B'.When water is added, 'B' gives back to 'A': Identify A and B, write the equation.​

Answer 1

Answer:

A- Copper sulphate pentahydrate

B- anhydrous copper sulphate

Explanation:

Copper sulphate pentahydrate it is blue colored salt and to give anhydrous copper sulphate it looses blue colour . and when anhydrous copper sulphate is treated with water it turns back to Copper sulphate pentahydrate