Set - A	Set - B
A) 1 mole gas occupies volume at STP	1) ${\text{CaO, CO}}_2$
B) 2 moles of gas occupies volume at STP	2) 22.42 Lit
C) Stoichiometric equation	3) ${\text{H}}_{\text{2}}\text{(g)}+\frac{1}{2}{\text{O}}_{\text{2}}\text{(g)}\to {\text{H}}_{\text{2}}\text{O\hspace{0.17em}(}l\text{)}$
D) The products of decomposition of the	4) 44.84 Lit