Contents:

Unit 1 Rate of Reaction
Unit 2 Identification of salt and gases
Unit 3 Experimental Chemistry
Unit 4 Mole
Unit 5 Electrolysis
Unit 6 Redox
Unit 7 Metal
Unit 8 Energy Changes
Unit 9 Organic
yearly past paper
May / june 2018 paper 42
October november 2018 paper 42
May / june 2019 paper 42
October / November 2019 paper 42
May / June 2020 paper 42