October/November 2025 Paper 43

What's in this paper

6 questions · 80 marks. Topics come from our question bank.

1. Q1Atoms, elements and compounds, Stoichiometry9 marks
2. Q2Atoms, elements and compounds, Metals, States of matter8 marks
3. Q3Electrochemistry, Metals, Stoichiometry, Chemical reactions, Chemical energetics, Acids, bases and salts17 marks
4. Q4Chemical reactions, Chemical energetics, Atoms, elements and compounds, Acids, bases and salts, Stoichiometry17 marks
5. Q5Stoichiometry, Acids, bases and salts, Experimental techniques and chemical analysis, The Periodic Table12 marks
6. Q6Organic chemistry, Stoichiometry17 marks