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Yes it is. Argon is used to flood the area of the weld to keep oxygen away from the weld.
Argon is a common gas that is used for several different types of industrial processes. Argon can also be used as a preservative and for scientific research.
Argon is used as a shielding gas. By flooding the are of the weld with Argon, Oxygen is kept away from the molten metal of the weld.
If you mean which other element is used in a fluorescent light along with argon then the answer is xenon.
Depends on what you think of as normal welding. Gas welding use oxygen-acetylene. MIG/TIG use Argon. MAG, use an argon-something mix. Depending on what materials you are welding, there are some more options tha might be used.
distillation
Crystallization/recrystallization process can be used.
Purification
Argon makes up roughly 1% of the atmosphere, and is extracted by fractional distillation. This refrigeration process is also used to produce liquid oxygen and nitrogen, so argon can be obtained as a by-product of this industrial process.
Argon is used as a protective gas in the process of preparation of silicon crystals.
This process is referred to as metalicphis, meaning "purify" in Latin. This is the process used to exterminate the spreading of germs within the atmosphere.
Argon oxygen decarburization (AOD) is a process used in stainless steel making. Argon/oxygen typically 1 to 12% oxygen.
Chemical
TIG welding uses Argon.
"Obtained" means acquired or gained. If someone asks "How was it obtained?" they are inquiring about the method or process used to acquire something.
a method of separation purify water
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