Chemistry past papers › 9701/21/M/J/18
9701/21/M/J/18 Question 1
Chemistry May/June 2018 Paper 21 · 20 marks · Homogeneous and heterogeneous catalysts, Bond energies, Enthalpy change definitions, Temperature and activation energy, Le Chatelier's principle, Formulas, Dot-and-cross diagrams, Brønsted–Lowry theory of acids and bases
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