(a)[1]
Give one further reason why stainless steel is used to make cutlery.
(b)[1]
Stainless steel is an alloy. Give the meaning of the term alloy.
(c)[3]
Iron nails are galvanised with zinc to stop rusting. Explain two ways in which coating iron nails with zinc prevents rusting.
(d)[2]
Iron reacts with hot dilute sulfuric acid to give hydrogen and aqueous iron(III) sulfate as the only products. Construct the symbol equation for this reaction, including state symbols.