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Question

The fuel used for welding metals is a mixture of:


A

Ethyne and oxygen

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B

Ethyne and hydrogen

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C

Ethyne and carbon dioxide

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D

Ethyne and nitrogen

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Solution

The correct option is A

Ethyne and oxygen


Acetylene (ethyne) is used for oxy-acetylene welding at very high temperatures and these temperatures are obtained when ethyne burns in oxygen.


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