Indicators
- Created by: That Vet Student
- Created on: 09-06-19 07:32
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- Indicators are used to find out what type of substance a chemical is.
- Initially, scientists discovered chemicals in common plants that could change colour to indicate an acid or an alkali, for example, red cabbage is red in acid and blue in alkali conditions.
- The chemical litmus (pink paper that changes colour depending on an acid or alkali) also behaves as an indicator…
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