Metals
48 past-paper questions on Metals · examined 2020–2025.
20258 questions
24 Which statement is correct? A Aluminium is used in food containers because of its resistance to corrosion. B Aluminium is used in the manufacture of aircraft because of its low ductility. C Copper is used in electrical wiring because of its high density. D Copper is used in the manufacture of overhead electrical cables because it forms an unreactive oxide layer.
M is a metal that forms coloured compounds. M is extracted from its oxide either by heating with carbon or by electrolysis. M reacts with dilute hydrochloric acid. What is M?
Which statement about brass is correct?
26 The diagrams show two methods in which metal X is used to prevent the rusting of iron. block of metal X iron coating of metal X iron A student suggests that metal X must be less reactive than iron and must have a lower proton number than iron. Which suggestions are correct? less reactive lower proton number A key B = yes C = no D
Iron is galvanised with zinc to prevent rusting. Which type of protection is provided by galvanising?
27 Aluminium is extracted from molten aluminium oxide by electrolysis. Which material is used for the electrodes in the industrial extraction? A aluminium B carbon C cryolite D platinum
Iron is extracted from its ore hematite in a blast furnace. Which statement about this extraction process is correct?
Give one other reason why aluminium is used in the manufacture of aircraft.
You're viewing 8 of 48 questions
Free members see the first 8. Join Learning DEN Pro to unlock all 48 questions on this chapter — plus AI topical search, downloadable topical PDF packs, and examiner marking on any answer. From $9/month.
Don't just read the solution — get your own answer marked
Write your answer to any Chemistry past-paper question, photograph it, and Learning DEN marks it like a real examiner — marks awarded, where you lost them, and your predicted grade. 3 free gradings to start.