Question
Q1. Answer the following
(A) A metal 'X' reacts with dilute hydrochloric acid to form a gas 'Y'. The metal 'X' also reacts with sodium hydroxide solution ( on heating) to form the same gas 'Y' . When a lighted matchstick is applied, this gas burns with a 'pop sound'. On the other hand the metal 'Z' does not react with dilute hydrochloric acid even on heating but it reacts with conc. Sulphuric acid.
(1)
Name two examples of metal that would behave like 'X'.
(2)
Name the gas 'Y'.
(3)
Identify 'Z'