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Pure magnesium weighs around ___________ of aluminium.

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Pure magnesium weighs around ___________ of aluminium.

(a) 98%

(b) 2%

(c) 39%

(d) 65%

This question was posed to me by my school principal while I was bunking the class.

My query is from Magnesium and its Alloys-1 topic in division Magnesium Alloys of Aerospace Materials & Processes

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The correct option is (d) 65%

For explanation I would say: Magnesium is a very beneficial element to use due to its weight. It is a very lightweight metal and weighs around 65% of aluminium. It does not possess a high amount of strength but is used when strength is not the primary factor being considered.

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