Question

BLUE CRYSTALS ON HEATING TURN TO WHITE AMORPHOUS POWDER. IDENTIFY THE BLUE CRYSTALS. ​

Answer 1

Answer:

copper sulphate...........

Answer 2

Answer:

$\huge\red{\boxed{\sf AnSwEr}}$

On heating, the colour of copper sulphate crystals changes from blue to white. On heating, hydrated copper sulphate loses its water molecule and forms white coloured anhydrous copper sulphate. On adding water anhydrous copper sulphate changes to hydrated copper sulphate. It is a reversible chemical change.

$\huge\orange{\boxed{\sf Copper \:sulphate}}$