Question

list any two observation when ferrous sulphate is heated in dry test tube​

Answer 1

Answer:

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:

When ferrous sulphate is heated colour changes from light green to reddish brown. On further heating, ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3).