Question

6. Which of the following is a decomposition
reaction?
(a) MgCO3---》 MgO + CO2
(b) Fe2O3 + 2Al---》2Fe + Al2O3
(c) BaCl2 + H2SO4 ---》BaSO4 + 2HCI
(d) Zn + H2SO4---》ZnSO4 + H2​

Answer 1

HEY BRO HERE IS YOUR ANSWER

(a)MgCO3--->> Mg0 + CO2

Answer 2

$\huge\bf\blue {Hey \:Mate!!!}$

Decomposition Reaction :

When a compound breaks down into two or more elements ,it is termed as decomposition reaction.

Hence ,

$MgCO_3 ---->MgO + CO_2$

is decomposition reaction.

@ItsMysteriousGirl✍