write two observation when green crystal of ferrous sulphate is heated in test tube
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The ferrous sulphate crystals are light green in colour.
The gas emitted has the characteristic odour of burning sulphur.
On heating, the colour changes from light green to white.
On further heating, the white substance changes to dark brown solid.
2feSo4(s)----->fe2O3(s)+SO2(g)+SO3(g)
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hey!!
Explanation:
Following two observations are observed when crystals of ferrous sulphate are heated: (1) Change in state and color takes place. (2) A gas is evolved during this process. Since, the compound (ferrous sulphate) decomposes into two or more substances therefore, it is a decomposition reaction
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