Question
How do we test whether a substance is an acid or base? Explain the mechanism. Give examples of some substances that can be used for testing acids and bases.
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Answer: Option A
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Name of the substance: 1 Mark
Mechanism: 1 Mark
Examples: 1 Mark
For testing whether a substance is an acid or base, we use indicators.
Indicators are special substances that show a change of colour or smell when added to a solution containing an acidic or a basic substance.
Examples of indicators are: Turmeric, litmus, China rose petals, vanilla, etc.
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