4.8.2 Identification of common gases 0.0 / 5 ? ChemistryTesting and analysing substancesGCSEAQA Created by: goldstar3Created on: 23-05-18 21:23 4.8.2.1 Test for hydrogen A burning splint held at the end of a test tube of gas Hydrogen burns rapidly with a squeaky pop sound 1 of 4 4.8.2.2 Test for oxygen A glowing splint inserted into a test tube of gas The splint relights in oxygen 2 of 4 4.8.2.3 Test for carbon dioxide Aqueous solution of calcium carbonate (lime water) When it is bubbled through/shaken with limewater, the limewater turns milky/cloudy 3 of 4 4.8.2.4 Test for chlorine When damp litmus paper is put into chlorine gas, the paper is bleached and turns white 4 of 4
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