A metal X reacts with water to produce a highly combustible gas Y, and a solution A. Another metal P reacts with Z to give the same gas Y, Z, Y, Z and P respectively are

A metal X reacts with water to produce a highly combustible gas Y, and

1.	A metal X reacts with water to produce a highly combustible gas Y, and a solution A. Another metal P reacts with Z to give the same gas Y, Z, Y, Z and P respectively are
Answer» `Zn , H_(2), Zn(OH)_(2)Al` `NA , H_(2), NAOH, Zn` `K, H_(2), KOH, Al` `Li, H_(2) , LiOH, K` SOLUTION :`underset(X) (Na)+ H_(2)O to underset(Z) (NaOH) + underset(Y) (H_(2))` `underset(Z) (2NaOH)+ underset(P) (Zn) to Na_(2) ZnO _(2) + underset(Y) (H_(2))`