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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Solution

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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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. [3 MARKS]

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.
[3 MARKS]