Question

The pungent smell gases formed when ferrous sulphate crystals are heated steongly are

Answer 1

Explanation:

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On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3). So, the gas emitted smells like burning sulphur.

Answer 2

Answer:

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