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2g of ferrous sulphate crystals are heat...

2g of ferrous sulphate crystals are heated in a dry tude.
List any two observations.

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Green colour of `FeSO_(4)` disappears and reddish brown solid is formed.
Decomposition reaction.
`2FeSO_(4)(s) overset("heat") to Fe_(2)O_(3)(s)+SO_(2)(g)+SO_(3)(g)`.
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