IGCSE Chemistry (0971) — 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 titrates potassium hydroxide solution with hydrochloric acid. The apparatus includes a conical flask (labelled A) and a volumetric pipette (labelled B). Name the pieces…
Answer this question and get it marked →A student investigates the reaction between magnesium and sulfuric acid at different temperatures. The student uses the apparatus shown in Fig. 2.1, which shows a thermometer in a…
Answer this question and get it marked →Solution E contains chromium(III) bromide. To a portion of solution E, add aqueous sodium hydroxide dropwise until it is in excess. Record the expected observations.
Answer this question and get it marked →A mixture contains ethanol, sodium chloride and zinc carbonate. Describe how you would separate and purify the three substances from the mixture to obtain: a pure sample of…
Answer this question and get it marked →