(a) What is the colour of ferrous sulphate crystals? How does this colour change after heating?

(b) Name the product formed on strongly heating ferrous sulphate crystals. What type of chemical reaction occurs in this change?

(a) Ferrous sulphate crystals are green in colour. After heating crystals changes to Brown.

(b) Ferric oxide is formed on strongly heating Ferrous sulphate crystals. Dispalcement reaction occurs in this change.


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