(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?

$FeSO_{4} .7H_{2} O\xrightarrow{heat} \ FeSO_{4} \ +\ 7H_{2} O$

$2FeSO_{4} \ \xrightarrow{heat} \ \ Fe_{2} O_{3} \ +\ SO_{2} \uparrow +\ SO_{3} \uparrow $$$

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Updated on: 10-Oct-2022

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