Q. Welding of magnesium can be done in an atmosphere of
A) $Xe$
B) $He$
C) $Kr$
D) $Ne$
Explanation
(b)
Welding of $Mg$ is done in the atmosphere of $He$ due to its inert and non-inflammable nature
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.