when ferrous sulphate crystals are heated in a test tube what we observe?
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green colour of the salt fades and gas with the smell of burning sulphur is evolved
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Answer: The colour of Ferrous sulfate crystals are green when water is present with Ferrous sulfate crystals (FeSO4. 7H2O). When the crystals of ferrous sulphate are heated, its green colour is disappeared after the removal of water molecules and
anhydrous ferrous sulphate (FeSO4) is formed and its colour is white. On strong heating of ferrous sulphate, the products are ferric oxide, sulfur dioxide and sulfur trioxide.
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