5070/42/O/N/22 · O Level Chemistry October/November 2022 Paper 42
7 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 4 marks · Experimental design, Solids, liquids and gases
- Question 2 · 7 marks · Experimental design, Electrolysis, Identification of ions and gases
- Question 3 · 11 marks · Experimental design, Identification of ions and gases, Rate of reaction
- Question 4 · 6 marks · Exothermic and endothermic reactions
- Question 5 · 17 marks · Experimental design, Acid–base titrations, The mole and the Avogadro constant
- Question 6 · 9 marks · Identification of ions and gases
- Question 7 · 6 marks · Exothermic and endothermic reactions
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.