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Question
Name the product formed on strongly heating ferrous sulphate crystals. What type of chemical reaction occurs in this change?
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Solution
Strong heating of ferrous sulphate (FeSO4) crystals results in the formation of products such as ferric oxide (Fe2O3), Sulphur dioxide (SO2), and sulphur trioxide (SO3).
\[\ce{2FeSO4_{(s)} ->[\Delta] Fe2O3_{(s)} + SO2_{(g)} + SO3_{(g)}}\]
This change is a thermal decomposition reaction (a specific type of decomposition reaction), where a single reactant breaks down into simpler products when heated.
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