IGCSE Chemistry (0620) — May–June 2023, Paper 53
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 17 marks · Practical: energetics
You are going to investigate the temperature change when solid citric acid reacts with solid sodium carbonate, in six experiments. Experiment 1: place 5.0 g of solid sodium…
Answer this question and get it marked →Question 2 · 17 marks · Practical: observations
You are provided with solid H. Describe the appearance of solid H.
Answer this question and get it marked →Question 3 · 6 marks · Practical: planning
Oxalic acid is a white solid which is soluble in both water and ethanol to form colourless solutions. Plan an experiment to determine if oxalic acid is more soluble in water or in…
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