IGCSE Chemistry (0971) — May–June 2025, Paper 41
6 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: bauxite, calcium oxide, ethanol, graphite, methane, nitrogen, oxygen, propane, propene, sulfur dioxide. Each substance may be used once, more than…
Answer this question and get it marked →Atoms are made of electrons, neutrons and protons. Complete Table 2.1 to show the relative charge and relative mass of each particle. Table 2.1 particle relative charge relative…
Answer this question and get it marked →This question is about copper and compounds of copper. Describe the bonding in a metallic element such as copper.
Answer this question and get it marked →This question is about nitrogen and its compounds. Nitrogen contains molecules with the formula N2. Complete the dot-and-cross diagram in Fig. 4.1 to show the electronic…
Answer this question and get it marked →Methanol, CH3OH, is manufactured by the reaction between hydrogen and carbon monoxide. An equilibrium mixture is produced. 2H2(g) + CO(g) ⇌ CH3OH(g) State what happens to the…
Answer this question and get it marked →This question is about the Periodic Table. State the name given to Group VII elements.
Answer this question and get it marked →