9gm of ferrous sulphate crystals are heated in a boiling tube? 1. List any 2 observation
2. Write chemical equation for reaction.
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When it heated if forms ferrous oxide which is Brown in colour and
SO2 and SO3 gas is released. Due to decomposition reaction this product is formed.
2FeSO4 ---> Fe2O3(s)+ SO2(g) +SO3 (g).
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Answer:
(i) Two observations are :
(a) Change in state and colour.
(b) Evolution of gas.
(ii) Decomposition reaction.
(iii) 2FeSO4(s) +Heat → Fe2O3(s) + SO2(g) + SO3(g)
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