O Level Chemistry past papers › 5070/22/O/N/22
5070/22/O/N/22 Question 4
O Level Chemistry October/November 2022 Paper 22 · 10 marks · Fertilisers, The mole and the Avogadro constant, The characteristic properties of acids and bases, Exothermic and endothermic reactions
Mark scheme
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.