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Question

___ is mixed with air or oxygen to be used for welding for cutting metals.


A

Ethyne

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B

Ethene

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C

Propene

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D

Hexane

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Solution

The correct option is A

Ethyne


When acetylene or ethyne is mixed with oxygen from cylinder in the ratio of one to one, a flame having a temperature of approximately 3000 degree Celsius is obtained.This is also called as Oxy-acetylene flame.

Oxy-acetylene flame is used to weld and cut metals sometimes for mending them.


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