IGCSE Chemistry (0971) — May–June 2025, Paper 32
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A list of substances is shown: aluminium, bromine, calcium, carbon dioxide, iron, magnesium, magnesium oxide, neon, oxygen, potassium, sulfur dioxide Answer the following…
Answer this question and get it marked →This question is about sea water and the substances found in sea water. Table 2.1 shows the masses of some of the compounds formed when 500 cm3 of sea water is evaporated. Table…
Answer this question and get it marked →This question is about phosphorus and its compounds. Phosphorus is in Group V of the Periodic Table. Explain why phosphorus is placed in this group.
Answer this question and get it marked →This question is about organic chemistry. State the meaning of the term hydrocarbon.
Answer this question and get it marked →This question is about zinc salts. Excess solid zinc oxide is added to dilute sulfuric acid to produce a salt. Complete the word equation for this reaction. zinc oxide + sulfuric…
Answer this question and get it marked →This question is about metals. A student investigates the reaction of four different metals, A, B, C and D, with dilute hydrochloric acid. All other conditions are the same in…
Answer this question and get it marked →Select two processes that show a chemical change. Tick two boxes. boiling water burning methane dissolving salt mixing ink and water rusting of iron
Answer this question and get it marked →This question is about water and air. Water needs to be treated to make it safe to drink. Draw a line from each stage in the treatment of domestic water to the reason why it is…
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