what is an indicator?name some natural and synthetic indicators with examples.
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Exact definition
Explanation:
An indicator is a substance that changes its state, color, odour etc when it comes in contact with an acid or a base.
A natural indicator is directly obtained from the nature. Most common example : Turmeric, cloves
A synthetic indicator is an indicator that is made up of chemicals in a laboratory. It is used to test whether the provided substance is an acid or a base. Example : Methyl Orange, Phenolphthalein
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