5070/41/M/J/21 · O Level Chemistry May/June 2021 Paper 41
6 questions, 59 marks. Each one links to its official mark scheme.
- Question 1 · 6 marks · Experimental design, Preparation of salts, Separation and purification
- Question 2 · 11 marks · Exothermic and endothermic reactions
- Question 3 · 11 marks · Identification of ions and gases
- Question 4 · 9 marks · Rate of reaction
- Question 5 · 15 marks · The mole and the Avogadro constant, Experimental design
- Question 6 · 7 marks · Acid–base titrations, The mole and the Avogadro constant
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.