IGCSE Chemistry (0620) — October–November 2023, Paper 52
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 18 marks · Practical: neutralisation, thermometric titration
You are going to investigate the temperature change when aqueous sodium hydroxide neutralises dilute hydrochloric acid (NaOH + HCl → NaCl + H2O). Six experiments mix dilute…
Answer this question and get it marked →Question 2 · 16 marks · Practical: qualitative analysis, cation tests
You are provided with two substances: solid K and solid L. Solid K is dissolved in distilled water to form solution K, divided into three portions. To the first portion of…
Answer this question and get it marked →Question 3 · 6 marks · Practical: planning, solubility and temperature
The solubility of solid sodium sulfate in water changes as the temperature of the water changes. Plan an experiment to find out how the solubility of sodium sulfate in water…
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