Cambridge IGCSE Chemistry practice

Paper 3 structured question: The characteristic properties of acids and bases

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The characteristic properties of acids and bases

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Paper 3Theory (Core)2 marks

Understanding how different indicators react in acidic solutions is crucial for chemistry experiments.

Description

Describe the color changes of thymolphthalein and methyl orange in acidic solutions.

a
Describe the color of thymolphthalein and methyl orange in acidic solutions.
Your answer
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[2]

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Paper 3Theory (Core)1 marks

Description

Indicators such as litmus, thymolphthalein, and methyl orange are commonly used to test for acidity.

a
State the color change of litmus in an acidic solution.
Your answer
Aim for approximately 1 distinct marking point.
[1]