IGCSE Chemistry (0620) — May–June 2024, Paper 61
4 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A student carries out a titration to find the concentration of a sample of dilute hydrochloric acid. The student adds 25.0 cm3 of aqueous potassium hydroxide to the apparatus…
Answer this question and get it marked →A student investigates the temperature change when magnesium reacts with dilute sulfuric acid. The student does five experiments. Experiment 1: Pour 20 cm3 of dilute sulfuric acid…
Answer this question and get it marked →A student tests two substances: solution E and solid F. Tests on solution E. Solution E is aqueous chromium(III) bromide. Solution E is divided into two portions. Record the…
Answer this question and get it marked →A mixture contains three compounds: liquid ethanol; solid sodium chloride; solid zinc carbonate. Table 4.1 gives some information about these three compounds: ethanol (soluble in…
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