Question

Which non metal liberates hydrogen with water,?

Answer 1

Heya friend here is ur ans.

Non-metals don't usually react with water but the non-metal oxides do react with water and they produce acids.
I
Metal react with waterand produce a metal oxide and hydrogen gas.

Metals like = Magnesium (Mg) reacts with water vapor to form magnesium  hydroxide and hydrogen gas. 

✴Beryllium (Be) is the only alkaline earth metal that does not react with water.

i hope it was helpful

Answer 2

Beryllium is the ans say thnks if it is helpful