JEE Mains Model Paper 20

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Question : 68 of 90

Marks: +1, -0

The crystals of ferrous sulphate on heating give

FeO + SO2+H2O
Fe2O3 + SO3 + H2O
Fe2O3 + SO + SO3 + H2O
FeO + SO2 + H2SO4 + H2O

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