Question

What is colour of ferrous colour sulphate crystal? How does colour change after heating ?

Answer 1

The ferrous sulphate crystals are light green in colour. The gas emitted has the characteristic odour of burning sulphur. On heating, the colour changes from light green to white. On further heating, the white substance changes to dark brown solid.

Answer 2

Answer:

, (4) . . , (23), (2) (3)

Explanation: