1 - Add magnesium to the acid, 2 - Collect the gas in another test tube in water, 3 - Hydrogen gas is lighter than air so it collects in the test tube, 4 - Keep the test tube upside down to stop the hydrogen escaping, 5 - Light the splint, 6 - Put the burning splint in the tube, 7 - The gas burns with a squeaky pop,

Hydrogen test match up

by Anonymous

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