What is indicator ? Write the name of 2-natural & 2-synthetic indicator
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An indicator is a 'dye' that changes colour when it is put in to an acid or a base.
Example :of natural indicator is litmus & red cabbage and /example: of synthetic indicator is methyl orange & phenolphthalein
Example :of natural indicator is litmus & red cabbage and /example: of synthetic indicator is methyl orange & phenolphthalein
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