Question

list any two observations when ferrous sulphate is heated in a dry test tube? 1 make​

Answer 1

The ferrous sulphate crystals are light green in colour.

The ferrous sulphate crystals are light green in colour.The gas emitted has the characteristic odour of burning sulphur.

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.

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:

On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate is formed. So their colour changes from light green to white. On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide sulphur dioxide and sulphur trioxide