Question

Which gas makes a 'pop' sound exposed to lighted matchstick

Answer 1

Hydrogen is the gas that makes a distinct ‘pop’ sound when exposed to a small fire of a lighted matchstick.

This property is used in the identification of hydrogen in the Burnt Splint test of the gases in the laboratories, as no other gas is ever found to make such a sound on coming in contact with fire.

Answer 2

The Hydrogen gas makes a pop sound.

Explanation:

when it exposed to a small fire of a lighted match stick.the Hydrogen gas come and contact with fire and the gas make a 'pop' sound