Question

how do you confirm the presence of hydrogen gas​

Answer 1

Answer:

We can check the presence of hydrogen gas by 1) bringing a lighted test tube which burns with a pop sound 2)bringing a burning a splinter and seein that it burns with a blue flame

Explanation:

Answer 2

Answer:

Hey☺️✌️

Explanation:

✏️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.

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