IGCSE Chemistry (0620) — May–June 2024, Paper 62
4 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →When a mixture of calcium hydroxide and ammonium chloride is heated, ammonia gas is made. calcium hydroxide + ammonium chloride - calcium chloride + water + ammonia Ammonia gas is…
Answer this question and get it marked →A student investigates the reaction between aqueous aluminium chloride and two aqueous solutions of sodium hydroxide, solution F and solution G, which have different…
Answer this question and get it marked →A student tests two substances: solid H and solution I. Tests on solid H. Solid H is barium carbonate. Complete the expected observations. (a)(i) The student adds an excess of…
Answer this question and get it marked →Bismuth is a metal that has a reactivity similar to that of copper. The ore bismite contains the compound bismuth(III) oxide, Bi2O3. Bismuth(III) oxide is insoluble in water and…
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