Thursday, August 25, 2011

A1 Testing for acidity and alkalinity

Topic 5, Physical Chemistry

Recall how to test for acidity and alkalinity, using suitable indicators

There are several indicators that can be used to test the acidity of a substance. The ones that are needed in the IGCSE course are: Litmus paper (Blue and Red), Universal indicator, Phenolphthalein and Methyl Orange. Each of these colour tests are explained in the next objective (A2)

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