on heating ferrous sulphate crystals which gases are not evolved among SO2 , SO3 , O2 or none of these .
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FeSO₄ on heating gives out SO₃ and SO₂ gases.
heating
2FeSO₄ ------------------------> Fe₂O₃ + SO₃ + SO₂
Therefore O₂ is not evolved on heating ferrous sulphate crystals!
heating
2FeSO₄ ------------------------> Fe₂O₃ + SO₃ + SO₂
Therefore O₂ is not evolved on heating ferrous sulphate crystals!
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