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Magnesium obtained through the ferrosilicon process can ensue in a minimum purity of ____________

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Magnesium obtained through the ferrosilicon process can ensue in a minimum purity of ____________

(a) 99.99%

(b) 78%

(c) 88.5%

(d) 100%

I got this question in unit test.

Asked question is from Processes of Magnesium and its Alloys in division Magnesium Alloys of Aerospace Materials & Processes

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The correct choice is (a) 99.99%

The best explanation: Magnesium is extracted through the ores found in places across the world. It is desirable to have a high amount of magnesium in its extraction. Magnesium obtained through the ferrosilicon process can have a minimum purity of 99.99%.

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