A student heated ferrous heated ferrous sulphate in a test tube. What changes it brings and name the type of chemical reaction
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On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. So their colour changes from light green to white. On furtherheating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3).
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=>thermal Decomposition reaction.
2FeSO4(s) +Heat → Fe2O3(s) + SO2(g) + SO3(g)
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