1) What is meant by the term 'electrolysis'? 2) What type of substances act as electrolytes? 3) Why do solid ionic compounds not undergo electrolysis? 4) Which particles are responsible for carrying charge in electrolytes? 5) What is the other name for the positive electrode? 6) What is the other name for the negative electrode? 7) What is meant by the term 'reduction'? 8) What is meant by the term 'oxidation'? 9) At which electrode does oxidation occur? 10) At which electrode does reduction occur? 11) What is formed at each electrode during the electrolysis of molten lead bromide? 12) What is formed at each electrode during the electrolysis of molten potassium iodide? 13) What is formed at each electrode during the electrolysis of molten sodium chloride? 14) What is formed at each electrode during the electrolysis of aqueous potassium iodide? 15) What is formed at each electrode during the electrolysis of aqueous sodium choride? 16) What is formed at each electrode during the electrolysis of aqueous copper sulfate? 17) What is formed at each electrode during the electrolysis of aqueous silver nitrate? 18) Complete this equation: Cu2+ + ......... --> Cu 19) Complete this equation: Al3+ + ......... --> Al 20) Complete this equation: 2H+ + ......... --> H2 21) Complete this equation: ....... Cl- --> Cl2 + ....... 22) Why does aluminium need to be extracted using electrolysis? 23) Why is cryolite added to bauxite in the production of aluminium? 24) Why do the anodes need to be regularly replaced during the production of aluminium?

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