Question

Name the chemical reactions when 2 gram of ferrous sulphate crystals are heated in a dry boiling tube

Answer 1

On heating it looses water molecules and becomes anhydrous ferrous sulphate . 2. Colour changes from light green to white . Ferrous sulphate crystals which are in green colour decomposes to give Ferric oxide , sulphur dioxide and sulphur trioxide gas.

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Answer 2

Answer:

=>  Decomposition reaction.

 2FeSO4(s) +Heat → Fe2O3(s) + SO2(g) + SO3(g)