Question

Define indicators.......

Answer 1

Explanation:

Indicators: Indicators are those substances which tell us whether a substance is acidic or basic by change in colour. For e.g., litmus solution. • Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion.

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Answer 2

Answer:

indicators are substances which show's change in colour when brought in contact with acid or base

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