LIST-I contains compounds and LIST-II contains reactions

List-I	List-II
(I) $\mathrm{H}_{2} \mathrm{O}_{2}$	(P) $\mathrm{Mg}\left(\mathrm{HCO}_{3}\right)_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow$
(II) $\mathrm{Mg}(\mathrm{OH})_{2}$	(Q) $\mathrm{BaO}_{2}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow$
(III) $\mathrm{BaCl}_{2}$	(R) $\mathrm{Ca}(\mathrm{OH})_{2}+\mathrm{MgCl}_{2} \rightarrow$
(IV) $\mathrm{CaCO}_{3}$	(S) $\mathrm{BaO}_{2}+\mathrm{HCl} \rightarrow$
	(T) $\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}+\mathrm{Ca}(\mathrm{OH})_{2} \rightarrow$

Match each compound in LIST-I with its formation reaction(s) in LIST-II, and choose the correct option

Which of the following liberates O₂ upon hydrolysis?

Hydrogen peroxide in its reaction with KIO₄ and NH₂OH respectively, is acting as a

Hydrogen gas will not reduce