Question

When green coloured ferrous sulphate crystals are heated, the colour of the crystals changes because

Answer 1

Answer:

Ferrous sulphate crystals contain water of crystallisation (FeSO4.7H2O). On heating, ferrous sulphate crystals lose water. So their colour changes from light green to white due to the formation of anhydrous ferrous sulphate (FeSO4). When ferrous sulphate is heated, it gives ferric oxide, sulphur dioxide

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Answer 2

ANSWER

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Explanation:

Ferrous sulphate crystals contain water of crystallisation (FeSO4. 7H2O). On heating, ferrous sulphate crystals lose water. So their colour changes from light green to white due to the formation of anhydrous ferrous sulphate (FeSO4).