Question

write the test for hydrogen gas
for 1 mark answer​

Answer 1

Answer:

if hydrogen present in test tube , a lighted splint held near its mouth ignites with a squeaky pop

Explanation:

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Answer 2

Answer:

test for hydrogen (H2) gas can be performed by bringing a burning candle near the source of hydrogen. On doing so, hydrogen gas burns with a squeaky pop sound. Hydrogen gas is recognised by the 'pop' when it burns. The 'pop' is the sound of a small explosion.

Explanation: