When ferrous sulphate crystals are heated,the rrsidue obtained in the test tube is
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When ferrous sulphate crystals are heated it forms an anhydrous solution and therefore the light green colour of ferrous sulphate crystals turn into white crystals.
That is the residue
That is the residue
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When ferrous sulphate crystals are heated, the residue left are Fe2O3, so2 and so3
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