Glowing splint relights., Test for oxygen, Burning splint burns with a 'pop' sound., Test for hydrogen, Damp blue litmus paper turns red at the mouth of the test tube, then bleach to white., Test for chlorine, Damp red litmus paper turns blue at the mouth of the test tube., Test for ammonia, Colorless limewater turns milky/cloudy., Test for carbon dioxide, Anhydrous copper sulfate turns from white to blue., Test for water

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