Question

what fo you understand by indicators
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Answer 1

Answer:

Indicators are substances that change colour when they are added to acidic or alkaline solutions. Litmus, phenolphthalein, and methyl orange are all indicators that are commonly used in the laboratory.

Explanation:

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Answer 2

Answer:

• Substances that changes its color in acidic and basic medium and used to indicate whether a substance is acid or a base are known as indicators. They change their colour on addition of a solution containing an acidic or a basic substance.

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