Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
Which gases/elements are used in gas-welding?
- A.Oxygen, Acetylene and ArgonCorrect answer
- B.Oxygen, Nitrogen and Helium
- C.Hydrogen, Acetylene and Neon
- D.Oxygen, Methane and Carbon Dioxide
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Practice these MCQs in the appQuick fact: The gases used in gas-welding are Oxygen, Acetylene and Argon.