Question

how will you test The gas which is liberated when HCL reacts with active metal

Answer 1

The gas liberated when hydrochloric acid reacts with a metal is hydrogengas. We can confirm the presence of hydrogen gas by bringing a burning splinter near the test tube.If the gasreleased is hydrogen, the splinter will extinguish with a pop sound.

Answer 2

on bringing a burning splinter the gas burns with a pale blue flame with a pop sound