Aluminium is extracted by
Salam Academy Original Practice · Proposed mark scheme
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12 questions
Iron is extracted by
Salam Academy Original Practice · Proposed mark scheme
Gold is found in the ground as
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The main reducing agent in the blast furnace is
Salam Academy Original Practice · Proposed mark scheme
Limestone is added to the blast furnace to
Salam Academy Original Practice · Proposed mark scheme
Cryolite is used in the extraction of aluminium to
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The carbon anodes are replaced regularly because
Salam Academy Original Practice · Proposed mark scheme
In , how many electrons are gained?
Salam Academy Original Practice · Proposed mark scheme
Which metal could be extracted by heating its oxide with carbon?
Salam Academy Original Practice · Proposed mark scheme
Which reaction in the blast furnace produces most of the heat?
Salam Academy Original Practice · Proposed mark scheme
. What mass of iron () can be made from kg of ()? Give the answer in kg.
Salam Academy Original Practice · Proposed mark scheme
Aluminium is more expensive to extract than iron mainly because
Salam Academy Original Practice · Proposed mark scheme