Question

.2 g of ferrous sulphate crystals are heated in
boiling tube.
(i) State the colour of ferrous sulphate crystals both
before heating and after heating.
(ii) Name the gases produced during heating.
(iii) Write the chemical equation for the reaction.
[Board Term-I Set-38, 2012​

Answer 1

Answer:

green before heating and white after heating

SO2 AND SO3 GAS

2FeSO4--->Fe2O3+SO2+SO3

Answer 2

Explanation:

for first one before heating green after heating white

for second the gas is so2

for the third 2feso4--------fe2o3+so2+so3