IGCSE Chemistry (0971) — May–June 2023, Paper 32
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows part of the Periodic Table (elements He, C, N, O, Ne, Cl, K, Ca, Cr, Cu, Zn, Sr, Br, I). Answer using only the elements in Fig. 1.1. Each symbol may be used once,…
Answer this question and get it marked →Table 2.1 shows some properties of the halogens (melting point in degrees C, boiling point in degrees C, density at r.t.p. in g/cm3): chlorine -101, -35, 0.003; bromine -7, +59,…
Answer this question and get it marked →Water from natural sources can contain metal compounds and phosphates. Name two other substances found in water which are harmful to aquatic life.
Answer this question and get it marked →This question is about chlorine and compounds of chlorine. Chlorine has diatomic molecules. Define the term diatomic.
Answer this question and get it marked →This question is about metals. Carbon is used to extract iron from iron ore in a blast furnace. Name the main ore of iron.
Answer this question and get it marked →A student investigates the reaction of different-sized pieces of calcium carbonate (large, medium, small) with dilute hydrochloric acid. All other conditions stay the same. Table…
Answer this question and get it marked →Fig. 7.1 shows the displayed formula of compound D (a molecule containing two -COOH carboxylic acid groups, an -OH alcohol group and a C=C double bond). On Fig. 7.1 draw a circle…
Answer this question and get it marked →This question is about non-metals and compounds of non-metals. Describe two physical properties which are typical of non-metals.
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