Quiz: Ores and Metals in the Earth’s Crust
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Welcome to this quiz on ores and metals in the Earth’s crust. Test your knowledge with these 10 questions!
What is an ore?
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Which of the following metals can be found in their native state? (Select all that apply)
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A {{blank0}} metal is one that can be extracted using {{blank1}} because it is less reactive than carbon.
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Match the items on the left with their correct pairs on the right
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How much aluminium can be extracted from 50 g of bauxite if the ore is 30% aluminium by mass?
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Which method is used to extract aluminium from its ore?
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Match the items on the left with their correct pairs on the right
Which factors influence the choice of metal extraction method? (Select all that apply)
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{{blank0}} is the process used to separate metals from their ores using heat and {{blank1}}.
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What is a key property of alloys compared to pure metals?
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