Duralumin consists of aluminum, copper?
...Duralumin consists of aluminum, copper?
Zinc and Gold
Lead and Manganese
Nickel and Silver
Manganese and Magnesium
Correct answer is D
Duralumin is an alloy made up of 90% aluminum, 4% copper, 0.51% magnesium, and less than 1% manganese.
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