Argon

Argon is used in arc welding because of its
A. low reactivity with metal
B. ability to lower the melting point of the metal
C. flammability
D. high calorific value

5 Answers

29
govind ·

Is the answer A..low reactivity??

11
Gone.. ·

ya

1
sanchit ·

(a)...

49
Subhomoy Bakshi ·

wats arc welding???

49
Subhomoy Bakshi ·

http://en.wikipedia.org/wiki/Arc_welding

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