When an inert atmosphere is needed for a metallurgical process, ni | Filo
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Class 12

Chemistry

Metallurgy

General Principles and Processes of Isolation of Elements

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When an inert atmosphere is needed for a metallurgical process, nitrogen is frequently used. However, in the reduction of by magnesium, helium is used. This is because  can combine with _____.

  1. Mg
Correct Answer: Option(a)
Solution:
Nitrogen combines with magnesium upon heating to form magnesium nitride. It cannot be used to provide an inert atmosphere in this case. Therefore, helium [He] a noble gas is used to provide the inert atmosphere
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general principles and processes of isolation of elements