21. Statement-1 : Aluminium and zinc metal evolve H2 gas from NaOH solution.Statement-2 : Several non-metals such as P, S, Cl, etc. yield a hydride instead of H2 gas from NaOH.(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.

prakhar kumar , 6 Years ago

Grade 12