Question

What is the correct way of heating,
the boiling tube containing crystal of ferrous sulphate
smelling the odour?​

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.

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