what is a chemical indicator ? And give its types.

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Chemical indicators are the substances that give us the information about acids and bases by changing their own colour or smell.

types of indicators :-

  1. Natural indicators :- These are the indicators that we get from the nature and are used as it is. For example :- Litmus and turmeric .
  2. Synthetic indicators :- These are the indicators that are prepared in laboratories , like phenolphthalein and methyl orange.

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