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Which of the following gases is used for...

Which of the following gases is used for the welding

A

Methane

B

Ethane

C

Acetylene

D

Ethene

Text Solution

Verified by Experts

The correct Answer is:
C
`2CH -=CH + 5O_2 rarr 4CO_2 + 2H_2O Delta H = -1300kJ`
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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