AS & A Level Chemistry (9701) — May–June 2025, Paper 35
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 11 marks · Practical skills: gas collection, recording data
Group 1 metal carbonates react with dilute acids to form a salt, water and carbon dioxide. The identity of the metal, M, can be determined by measuring the volume of carbon…
Answer this question and get it marked →Question 2 · 15 marks · Practical skills: titration technique, recording data
The identity of a Group 1 metal in a metal carbonate may also be determined by titration with acid. Z2CO3 is a Group 1 metal carbonate. The metal may or may not be the same as…
Answer this question and get it marked →Question 3 · 15 marks · Practical skills: qualitative analysis, identification of ions
FA 6 and FA 7 are aqueous solutions that each contain one cation and one anion. All the ions are listed in the Qualitative analysis notes. None of the ions contains nitrogen. (i)…
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