(a(i))[1]
Name the chief ore of aluminium.
(a(ii))[1]
Explain why aluminium is not obtained from its ore by reduction with carbon. Use the reactivity series in your answer.
(a(iii))[1]
Explain how this equation proves that iron(III) oxide is reduced.
(b(i))[2]
State what the term alloy means.
(b(ii))[2]
Name the two substances needed for iron to rust.
(b(iii))[2]
State the chemical name of rust.
(c(i))[2]
Arrange the four metals in order of reactivity. Put the least reactive metal first.
(c(ii))[2]
Complete the word equation for the reaction between strontium and hydrochloric acid: strontium + hydrochloric acid → [BLANK] + [BLANK].