A mixture of oxygen and ethyne is burnt for welding. Cun you tell why a mixture of ethyne and air is not used?

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Muskan Anand

2 years ago

If air is used, incomplete combustion will take place giving a sooty flame and less heat is produced.          When pure oxygen is used ethyne burns completely producing large amount of heat and blue flame. This heat is sufficient for a metal to melt and welding is done.

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