Question

the metal x reacts with dilute hydrochloric acid to form a gas y .The metal x also react with sodium hydroxide solution (on heating) to form the same gas y .When a lighted matchstick is applied , this gas burns by producing a pop sound . name any two metals which could behave like x and name the gas y​

Answer 1

Answer:

X could be Sodium Hydride or Potassium Hydride.

Y is Hydrogen.