(a)[2]
Order the metals according to reactivity. Start with the least reactive metal.
(b)[2]
Predict the products formed by this electrolysis at the positive electrode (anode) and the negative electrode (cathode).
(c)[2]
Describe a test for iron(II) ions. State the reagent used and the result.
(d(i))[2]
Complete the sentence below. Iron rusts in the presence of ................. and ................. .
(d(ii))[2]
Describe one method of rust prevention and explain the way it works.