October/November 2025 Paper 42

What's in this paper

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

1. Q1States of matter, Chemistry of the environment13 marks
2. Q2Atoms, elements and compounds, Metals, Experimental techniques and chemical analysis, Chemical reactions19 marks
3. Q3Acids, bases and salts, Stoichiometry, Experimental techniques and chemical analysis13 marks
4. Q4Acids, bases and salts, Stoichiometry, Electrochemistry, Organic chemistry, Chemical reactions15 marks
5. Q5Organic chemistry12 marks
6. Q6Organic chemistry, Stoichiometry8 marks