Question

what is the colour of residue formed on heating FeSO4 ?

Answer 1

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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Answer 2

Answer:

Hey mate..

Because of heating their colour changes from light green to white....

Hope it is helpful......