Question

When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from: *

1 point

Blue to green.

Green to blue.

Green to brown.

Green to yellow​

Answer 1

Answer:

green to brown

Explanation:

Ferrous sulphate , also called green vitriol , as the name suggests it is green in colour. Ferric oxide is brown.

Answer 2

Answer:

it turns green to brown as ferrous sulphate is green and ferric oxide is brown