IGCSE Chemistry (0620) — 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. Each substance may be used…
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 cm^3 of sea water is evaporated:…
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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