Acids and Alkalis

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  • Created by: GrB
  • Created on: 23-02-16 22:58

Acids and Alkalis

To test the pH of a substance you need an indicator. The pH scale goes from 0-14.(http://www.lay-z-spa.co.uk/shopimages/pHscale%20(1).jpg)

pH 0 is the strongest acid, pH 14 is the strongest alkali, pH 7 is neutral. Universal indicator is a combination of dyes whih changes colour depending on the pH of a solution.

Acids and…

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