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Question about Chemistry Experiments

nommm · 2011-04-27 12:30:34

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?

27-04-2011 1:30pm

#1

nommm

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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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#2 27-04-2011 1:46pm

Sunny!!

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Simply no:D

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