Which of the following gases is used for the welding – InterviewSolution

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1.	Which of the following gases is used for the welding
Answer» Methane Ethane Acetylene Ethene Solution :`2CH-=CH+5O_2 to 4 CO_2 + 2 H_2O DeltaH =1300 KJ` The combustion of acetylene is HIGHLY exothermic and the heat produced during the combustion can be USED for WELDING purposes in the form of oxy acetylene flame

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