Question

20 points what is the Residue left in the boiling tube in ferrous sulphate crystals are strongly heated what is its colour also state the reaction of its type

Answer 1

On heating, it loses water molecules and becomes anhydrous ferrous sulphate. 2. Color changes from light green to white. Ferrous sulphate crystals which are in green color decomposes to give Ferric oxide, sulphur dioxide, and sulphur trioxide gasChemical reaction :.
2FeSO4 (S) -------------->Fe2O3 (S) +SO2(g) +SO3 (g)
Anhydrous                  Ferric oxide
Ferrous sulphate


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Answer 2

Answer:

Residue left is :

‍♀️ don’t know