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6. The positive electrode is the...
7. In the electrolysis of lead bromide...
- The lead moves to the cathode, the bromine moves to the anode
- The lead moves to the anode, the bromine moves to the cathode
8. In the extraction of aluminium, why is aluminium oxide dissolved in cryolite?
- To bring the temperature down
- To make it charged
- Cryolite is a catalyst
9. When negative metal ions move to the positive electrode they...
- Release electrons to replace stolen
- Pick up electrons
10. In the electrolysis of sodium chloride, which two products stay in the solution?
- Sodium and hydrogen
- Sodium and hydroxide
- Hydrogen and chlorine
11. The more reactive ions are the ones that react in electrolysis.
