Edexcel GCSE Chemistry (1CH0) · EDEXCEL 1CH0
3 Chemical changes
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Chemical changes
- Aqueous copper chloride solution is electrolysed using inert electrodes. Describe and expl… (4 marks, Describe and explain)
- Explain what happens at each electrode when molten lead bromide is electrolysed using iner… (4 marks, Explain)
- Explain what happens at each electrode when dilute sulfuric acid is electrolysed using ine… (4 marks, Explain)
- Explain what happens at each electrode when aqueous copper sulfate solution is electrolyse… (4 marks, Explain)
- A student has two solutions: one containing sulfuric acid and one containing ethanoic acid… (4 marks, Explain)
- A student adds marble chips (calcium carbonate) to two separate acid solutions of equal co… (4 marks, Explain)
- A student tests two solutions, both with a pH of 3, using universal indicator. One solutio… (4 marks, Describe and explain)
- Explain the difference between a strong acid and a weak acid. (4 marks, Explain)
- Explain what happens at each electrode when molten sodium chloride is electrolysed using i… (4 marks, Explain)
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