Essential Chemistry for IGCSE - Making And Identifying Salts (Section 1 - No. 37)
How can you distinguish between hydrogen and oxygen gas?
By adding a glowing splint
By the smell
By adding a burning splint
By their ability to react with each other
Explanation
Hydrogen gas gives a 'pop' sound and burns with a blue flame when ignited with a burning splint. Oxygen relights a glowing splint.
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