A mixture of oxygen and ethyne(acetylene)is burnt for welding;can you tell why a mixture of ethyne and air is not used?
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air mixed with other gases also so it is not used
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When ethyne is burnt in air incomplete supply oxygen present in the air. However, if ethyne is burnt in oxygen, it gives a clean flame with high temperature (3000°C ) due to complete combustion of ethyne. Hence, this oxy-acetylene flame is used for welding and it is not possible to attain such a high temperature with air. Due this reason a mixture of ethyne and air is not used for welding.
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