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

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

Grade:12

1 Answers

Anand Kumar Pandey
askIITians Faculty 5818 Points
2 months ago
Dear Student

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.

​Thanks

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