Question

2.
It is an example for thermal decomposition reaction.
a) 2Mg + 0, 2MgO
b ) CH. +0. → CO+ 2H2O
C )Fe + Cuso, Feso, + Cu
d) Caco, heat CaO + CO₂​

Answer 1

Answer:

Option (D) Is The Answer

Explanation:

As Heat Is Evolved & Also CaCO3 Is Also Decomposing Into CaO & CO2 .

Answer 2

Answer:

d)CaCo,heat CaO + CO2

is the correct option

When calicum carbonate is heated it forms calciumoxide and carbondioxide.