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प्रश्न
Ferrous sulphate decomposes with the evolution of a gas having a characteristic smell of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
उत्तर
The chemical reaction is an example of thermal decomposition reaction.
`2"FeSO"_4("s") overset("heat")(->) "Fe"_2"O"_3("s") + "SO"_2("g") + "SO"_3("g")`
The gases evolved are a mixture of sulphur dioxide and sulphur trioxide. Both have the smell of burning sulphur.
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