Question

Argon is used
(a) in tilling airships
(b) to obtain low temperature
(c) in high temperature welding
(d) in radiotherapy for treatment of cancti

Answer 1

hey mate ur ans
argon is used in high temperature welding (arc welding)
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Answer 2

Dear mate,
I think c) Argon is used in high temperature welding is right option.
Hope its right and helpful for you !!