5070/41/O/N/21 · O Level Chemistry October/November 2021 Paper 41
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 8 marks · Experimental design, Alcohols
- Question 2 · 9 marks · Identification of ions and gases, The characteristic properties of acids and bases, Rate of reaction
- Question 3 · 7 marks · Identification of ions and gases
- Question 4 · 16 marks · Experimental design, Identification of ions and gases, Separation and purification, Acid–base titrations, The mole and the Avogadro constant
- Question 5 · 9 marks · Transition elements, Identification of ions and gases
- Question 6 · 11 marks · Experimental design, Preparation of salts, The mole and the Avogadro constant
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.