Task 1
Aluminium:
(i) in de-aerated acidic solution.
no oxygen, only water: Al -> Al(3+) + 3e(-)
2H(+) + 2e(-) -> H(2) (ii)
in de-aerated neutral/alkaline solution.
no possible reaction
(iii) in aerated acidic solution.
(iv) in aerated neutral/alkaline solution.
(iii) in aerated acidic solution containing Zinc(2+).
fuck this