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1. The pH scale

Sunayana and Tulela define acids, alkalis and the pH scale.

2. The reactivity series of metals

Sunayana and Tulela explore the reactivity series of metals and displacement of metals.

3. Salt formation

Sunayana and Tulela explore chemical reactions that form salts and how they are named.

4. Redox reactions

Sunayana and Tulela explore how metals react with oxygen to form metal oxides.

5. Redox in terms of electrons

Tulela and Sunayana explore redox reactions in terms of gain or loss of electrons.

6. Electrolysis of molten solutions

Tulela and Sunayana explore electrolysis of molten ionic compounds.

7. Extracting metals using electrolysis

Tulela and Sunayana explore electrolysis to extract metals from molten compounds.

8. Electrolysis of aqueous solutions

Tulela and Sunayana explore electrolysis of an aqueous solution.