Eduqas GCSE Chemistry · EDUQAS C210P4
C4 Chemical changes
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Chemical changes
- Explain why adding magnesium ribbon to dilute hydrochloric acid is a chemical change rathe… (4 marks, Explain)
- When zinc powder is added to copper sulfate solution, the blue colour of the solution fade… (4 marks, Explain)
- When silver nitrate solution is added to sodium chloride solution, a white solid forms imm… (4 marks, Explain)
- When copper carbonate is heated strongly, it decomposes to form copper oxide and carbon di… (4 marks, Explain)
- When iron rusts, it reacts with oxygen and water to form iron oxide. Explain why rusting i… (4 marks, Explain)
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