Duralumin consists of aluminum, copper?

  • A Zinc and Gold
  • B Lead and Manganese
  • C Nickel and Silver
  • D Manganese and Magnesium
jamb 2020chemistry

The correct answer is D. Manganese and Magnesium

Duralumin is an alloy made up of 90% aluminum, 4% copper, 0.51% magnesium, and less than 1% manganese.

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