Exam-style practice

Physical and chemical changes answer explanations

Review worked answers and explanations for Physical and chemical changes. Aligned to Cambridge IGCSE Combined Science.

Questions

Supported

Review

Mode

Chemical

Topic

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 3Theory (Core)3 marks

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.
[3]