11 mark
Which of the following processes represents a physical change?
Acid base neutralisation
Metal displacement reactions
Boiling ethanol
Combustion of magnesium
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Physical & Chemical Changes (Cambridge (CIE) O Level Chemistry): Exam Questions
Exam code: 5070
2 mins2 questions
21 mark
Physical and chemical changes are different processes. Which of the following rows correctly identifies characteristics of each one?
| chemical change | physical change |
A | no new substance formed | change of state |
B | no new substance formed | involves electron transfer |
C | new substance formed | involves electron transfer |
D | new substance formed | change of state |
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