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Which of the following gases is used for the weldingA. MethaneB. EthaneC. AcetyleneD. Ethene |
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Answer» Correct Answer - C `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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