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    casey2793's Avatar
    casey2793 Posts: 9, Reputation: 1
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    #1

    Apr 11, 2007, 06:25 AM
    Describe a test for carbon dioxide gas
    Please describe a test for carbon dioxide gas! I need help :D
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Apr 11, 2007, 06:36 AM
    The answer you're after: If you bubble it through limewater, it will turn cloudy. (forms a precipitate of calcium carbonate)

    The answer I would give: Shine an infra-red light through the gas, and measure the light coming out the other side with a light sensor. Check for the characteristic absorption lines in the recorded light spectrum.
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