Sarthaks Test
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2 g ferrous sulphate crystals are heated in a dry boiling tube.

(i) List any two observations.

(ii) Name the type of chemical reaction taking place.

(iii) Write the chemical equation of the reaction.

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(i) Before heating, it is pale green. 

After heating, it is brown or reddish brown.

TWo observations are :

(a) Change in state and colour.

(b) Evolution of gas.

(ii) Decomposition reaction.

(iii) 2FeSO4(s) +Heat  Fe2O3(s) + SO2(g) + SO3(g)

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