IGCSE Chemistry (0971) — May–June 2024, Paper 62
4 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Nitrogen is made by reacting calcium hydroxide with ammonium chloride and then passing the gas through hot copper(II) oxide. The apparatus is shown in Fig. 1.1, with boiling tube…
Answer this question and get it marked →A student titrates aluminium chloride solution F against sodium hydroxide solution G. The student carries out three titrations using a burette. Fig. 2.1 shows the burette diagrams…
Answer this question and get it marked →Solid H is barium carbonate. To test solid H, add a few drops of dilute nitric acid and test any gas produced with limewater. Record the expected observations.
Answer this question and get it marked →An ore of bismuth contains bismite (Bi2O3). Describe how you would obtain a pure sample of bismuth metal from bismite. Include details of the chemical reactions involved.
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