This chapter discusses different types of energy and chemical changes including physical and chemical changes, the reactivity series of metals, the extraction of tin through chemical processes, the process of electrolysis to separate substances, the production of electrical energy through chemical reactions, chemical reactions that occur in the presence of light, and the use of chemical reactions as sources of energy.

1. Chapter 5 – Energy and chemicalchanges

4. 5.1 Physical & Chemical Changes

13. 5.4 The concepts of reactivity series of metals

16. Extraction of tin

25. 5.5 Electrolysis

28. Electrolysis

53. 5.6 Production of electrical energy from chemical reactions

74. 5.7 Chemical reactions that occurIn the presence of light

81. 5.8 Use of chemical reactions assources of energy

83. SPM Paper 2 Questions