Name the substance which remains in a test tube after heating ferrous sulphate.
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Ferrous sulphate crystals are green in colour. On heating, it decomposes to give ferric oxide, sulphur dioxide and sulphur trioxide. Following is the reaction that occurs:
2FeSO4---------> Fe2O3 + SO2 + SO3
The residue that is formed is nothing ferric oxide. It is reddish brown in colour.
2FeSO4---------> Fe2O3 + SO2 + SO3
The residue that is formed is nothing ferric oxide. It is reddish brown in colour.
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