Duralumin is an alloy made up of aluminium and ____.
A
magnesium
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B
sodium
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C
potassium
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D
calcium
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Solution
The correct option is A magnesium An alloy is a mixture of two or more molten metals mixed in a fixed proportion. Duralumin is an alloy of aluminium and magnesium. It is a very light and a strong alloy.