Question

Metal ‘X'reacts vigorously with dil.HCl but hardly at all with cold water. If
X is heated in steam, a white solid Y' is formed and colourless gas Z is
evolved. Then X, Y and Z respectively are
1) Na, Na(OH)2, CO2
2) Mg, Mg(OH)2, H,
3) Cu, CuCl2, H2
4) Ca, Ca(OH)2, O2
us​

Answer 1

Answer:

I guess 1) Na, Na(OH)2, CO2