Question

What do you observe when crystalline crystals of ferrous sulphate are heated in test tube?

Answer 1

Answer:

•Take about 2g of ferrous sulphate crystals in a dry boiling tube and note the colour of the crystals.

•Hold the boiling tube with a test tube holder and heat the boiling tube over the flame of a burner.

•Smell the gas being emitted.

•Observe the colour of the crystals after heating.

Answer 2

Answer:

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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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