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Question about Chemistry Experiments

  • 27-04-2011 12:30pm
    #1
    nommm
    Registered Users, Registered Users 2 Posts: 700 ✭✭✭


    Some of the mandatory experiments have two methods listed for them. Eg. Colorimetric experiment to estimate free chlorine in swimming-pool water or bleach (using a colorimeter or a comparator).

    Do I need to know both methods of doing the experiment?


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