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Acetylene is a hydrocarbon which molecule is made up of two carbon atoms and four hydrogen atoms.

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Acetylene is a hydrocarbon which molecule is made up of two carbon atoms and four hydrogen atoms.

(a) True

(b) False

I had been asked this question at a job interview.

This is a very interesting question from Gas Welding in division Welding and Related Processes of Casting-Forming-Welding II

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Correct choice is (b) False

Explanation: In gas welding, acetylene is used as a fuel gas which is a hydrocarbon like other as propane, methane etc. However, it generally differs from those hydrocarbons in a manner that its molecule is made up of two carbon atoms and two hydrogen atoms. And the carbon atoms are joined with hydrogen atoms by making a triple bond.

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