Question

how do we identify H2 and Co2 gas liberated in reaction​

Answer 1

Answer:

we should identify of H2and Co2gas with a fire

Answer 2

A splint is lit and held near the opening of the tube, then the stopper is removed to expose the splint to the gas. If the gas is flammable, the mixture ignites. This test is most commonly used to identify hydrogen, which extinguishes with a distinctive 'squeaky pop' sound.