Question

Name three indicators and say what colour they are in alkali ​

Answer 1

Pure water is neutral, and so is paraffin . 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.

Answer 2

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• Litmus paper

• Phenolphthalein

• Methyl Orange

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