Question

Q.7-2 gm Ferrous sulphate crystals are heated in a dry test tube.
(i)-List any two observations.
(ii)-Name the type of chemical reaction taking place.
(iii)- Write the balanced Chemical reaction.​

Answer 1

i)a)Sulpher dioxide and sulpher trioxide will release

b)Ferric oxide will be formed

ii)Decomposition reaction

iii)Refer to the attachment

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Answer 2

Answer:

(i)  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)