4 g ferrous sulphate crystals are heated in a dry boiling tube.
(i) List any two observations.
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It is known that ferrous sulphate crystals are pale green in color before heating. And, when crystals of ferrous sulphate are heated it is brown or reddish brown in color. Following two observations are observed when crystals of ferrous sulphate are heated: (1) Change in state and color takes place.
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