IGCSE Chemistry (0620) — May–June 2024, Paper 51
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 20 marks · Practical: thermometric experiment
You are going to investigate the temperature change when magnesium reacts with dilute sulfuric acid. In five experiments, 20 cm³ of dilute sulfuric acid is placed in a boiling…
Answer this question and get it marked →Question 2 · 14 marks · Practical: qualitative analysis, heating
You are provided with one solid: solid E. Divide solid E into two portions in two boiling tubes. Gently heat the first portion of solid E. Record your observations.
Answer this question and get it marked →Question 3 · 6 marks · Practical: planning, separation of mixtures
A mixture contains three compounds: liquid ethanol; solid sodium chloride; solid zinc carbonate. Table 3.1 gives some information about these compounds (name; solubility in water;…
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