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3. Chemical Changes

3. Salt formation

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

• 10 mins

3. Chemical Changes

4. Redox reactions

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

• 9 mins

3. Chemical Changes

5. Redox in terms of electrons

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

• 10 mins

3. Chemical Changes

6. Electrolysis of molten solutions

Tulela and Sunayana explore electrolysis of molten ionic compounds.

• 10 mins

3. Chemical Changes

7. Extracting metals using electrolysis

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

• 9 mins

3. Chemical Changes

8. Electrolysis of aqueous solutions

Tulela and Sunayana explore electrolysis of an aqueous solution.

• 10 mins