1) What is produced during the electrolysis of sodium chloride solution a) chloride b) hydrogen c) chlorine d) oxygen e) carbon dioxide f) sodium 2) What is the name of the positive electrode? a) onion b) cathode c) anode d) cat hood e) ion f) anion 3) What is the name of the liquid that is used in electrolysis? a) Electroliquid b) Niceandlyte c) Electric light d) Electrolyte e) Electrolite f) Elendrolyte 4) Which of the following would be attracted to the cathode? a) Mg2+ b) Na c) Cl- d) K2SO4 e) Pb f) SO4- 5) Which of the following is a cation? a) Mg2+ b) Na c) Cl- d) K2SO4 e) Pb f) SO4- 6) What electrolyte would you use to purify copper? a) Sodium sulfate b) Sodium chloride c) Potassium d) Copper e) Copper sulfate f) Potassium chloride 7) Why does one of the electrodes dissolve in this example? a) It is made of carbon b) It is made of metal c) It is made of sulfate d) It is made of copper e) It is inert 8) What is produced at the cathode in the electrolysis of silver chloride? a) Chlorine b) Hydrogen c) Sulfur d) Silver 9) Which of these is lowest in reactivity? a) Sodium b) Potassium c) Zinc d) Gold e) Copper f) Iron 10) Which of these is lowest in reactivity? a) Sodium b) Potassium c) Lithium d) Rubidium e) Magnesium f) Francium 11) What would be produced in the electrolysis of zinc sulfate at the anode? a) zinc b) sulfate c) sulfur d) oxygen e) gold f) copper 12) What electrode cause the ions to be oxidised? a) positive b) negative 13) What does reduction mean in electrolysis? a) getting smaller b) getting bigger c) losing electrons d) gaining electrons e) gaining copper f) losing copper 14) The reactivity of a metal is a) It's tendancy to gain electrons b) It's tendancy to gain protons c) It's tendancy to lose electrons d) It's tendancy to lose protons

Electrolysis

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