Question

Select combination reactions and decomposition reactions from the following chemical
equations:
(i) C + O2 ------> CO2
(ii) NaBr + AgNO3 ------>AgBr + NaNO3
(iii) CaCo3 +Heat --------> CaO + CO2
(iv) H2S + Cl2 ---------> 2HCI + S​

Answer 1

Combination reaction : (i)

Decomposition reaction : (iii)