Three statements about aluminium extraction are listed below. 1 The electrolyte consists of aluminium oxide dissolved in molten cryolite. 2 Carbon is used for both the cathode and the anode. 3 Carbon dioxide is released at the cathode. Which of these statements are correct?
- A1 and 2 only
- B1 and 3 only
- C2 and 3 only
- D1, 2 and 3