Question

When ferrous sulphate crystals were heated what would you observe and give reasons and what type of reaction is this.

Answer 1

Answer: we observe that there is a burning of the crystals this is

Explanation: Displacement reaction

Answer 2

Answer:

On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. So their colour changes from light green to white. On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3)

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