AS & A Level Chemistry (9701) — October–November 2023, Paper 33
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 14 marks · Experimental skills and investigations
Quantitative Analysis. You will carry out a titration to determine the concentration of a solution of potassium manganate(VII), KMnO4. Potassium manganate(VII) reacts with excess…
Answer this question and get it marked →Question 2 · 12 marks · Experimental skills and investigations
You will determine the enthalpy change for the reaction of magnesium oxide with water to form magnesium hydroxide: MgO(s) + H2O(l) - Mg(OH)2(s). The procedure involves two…
Answer this question and get it marked →Question 3 · 14 marks · Experimental skills and investigations
Qualitative Analysis. FA 9 contains one cation and one anion. The cation is one of calcium, magnesium, manganese(II) or zinc. The anion is oxide or carbonate. Describe reactions…
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