Cambridge IGCSE Combined Science practice

Paper 3 structured question: Physical and chemical changes

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Physical and chemical changes

Exam-style question

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Paper 3Theory (Core)3 marks

Understanding changes in matter is essential in chemistry.

Description

Consider the following processes: melting ice, burning wood, and dissolving sugar in water.

a
Compare the processes of melting ice and burning wood in terms of physical and chemical changes.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)4 marks

Description

Describe the differences between physical changes and chemical changes, providing examples for each.

a
Define physical change and chemical change, including examples.
Your answer
Aim for approximately 4 distinct marking points.
[4]