A. Zinc and Gold
B. Lead and Manganese
C. Nickel and Silver
D. Manganese and Magnesium
Correct Answer:
Option D – Manganese and Magnesium
Explanation
Duralumin is an alloy made up of 90% aluminum, 4% copper, 0.51% magnesium, and less than 1% manganese.
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![What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]")