Metals and Non-metals
10th CBSE Science Metals and Non-metals
When a metal X is
treated with cold water, it gives a basic salt Y with molecular formula XOH
(Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify
X, Y and Z and also write the reaction involved.
? Na; Y ? NaOH; Z ? H2
2Na + 2H2O 2NaOH + H2 + Heat