Question

3. The 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 brought near it, this gas burns with pop sound. (a) Name two metals which could behave like X (b) Name the gas Y.

Answer 1

metals are sodium and pottasium..and gas y is hydrogen gas

Answer 2

Answer: Y is H2O ( hydrogen )

Explanation: