IGCSE Chemistry (0620) — May–June 2025, Paper 43
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Using the list of substances (aluminium oxide, calcium oxide, chlorine, ethanol, graphite, nitrogen, oxygen, propane, propene, silicon(IV) oxide), state which of the substances is…
Answer this question and get it marked →Atoms are made of electrons, neutrons and protons. State which of these particles are found in the nucleus of an atom.
Answer this question and get it marked →This question is about zinc and compounds of zinc. Zinc is held together by electrostatic forces of attraction between particles. Name the type of bonding in zinc.
Answer this question and get it marked →This question is about compounds of sulfur. Sulfuric acid is manufactured in a four-stage process. stage 1: Sulfur dioxide is produced from ores containing sulfur. stage 2: Sulfur…
Answer this question and get it marked →Ethanoic acid is manufactured in the reaction between methanol and carbon monoxide. An equilibrium mixture is produced. CH3OH(g) + CO(g) (reversible) CH3COOH(g) State two…
Answer this question and get it marked →This question is about the Periodic Table. State the name given to Group I elements.
Answer this question and get it marked →