ES 1.2 (Electrochemistry part of LN 1)

What is added to aluminium oxide in this process?

• A

• B

• C

• D

Which substance is produced at the cathode?

• A

• B

• C

• D

Which statement about this electrolysis is correct?

• A

• B

• C

• D

Which statement about electrolysis is correct?

• A

• B

• C

• D

Which statement about electrolysis is correct?

• A

• B

• C

• D

Which row identifies the gas at each electrode and the electrode around which the aqueous sodium hydroxide collects?

• A

• B

• C

• D

Which statement about the extraction of aluminium from its ore by electrolysis is correct?

• A

• B

• C

• D

Which statements about this process are correct?

• A

• B

• C

• D

What happens to the concentration of copper(II) ions in the electrolyte during electrolysis using these electrodes?

• A

• B

• C

• D

Which ions gain and lose electrons during the electrolysis of concentrated aqueous sodium chloride?

• A

• B

• C

• D