Created by charlotte1357
over 10 years ago
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Hydrogen - present a lit splint to the gas and if positive it will create a squeaky pop
Carbon dioxide - bubble the gas through limewater and if positive a milky white precipitate will be formed
oxygen - a glowing splint will relight if the test is positive
water - anhydrous copper sulphate (white) will turn into hydrous copper sulphate (blue) in the presence of water.
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