Question

Oxy-hydrogen torch is used in welding. Explain the reason behind this

Answer 1

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Atomic hydrogen atoms are produced by the dissociation of dihydrogen with the help of an electric arc. ... Hence, atomic hydrogen or oxy-hydrogen torches are used for these purposes. For this reason, atomic hydrogen is allowed to recombine on the surface to be welded to generate the desired temperature.

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Answer 2

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Ans. Atomic hydrogen atoms are produced by the dissociation of dihydrogen with the help of an electric arc. ... Hence, atomic hydrogen or oxy-hydrogen torches are used for these purposes. For this reason, atomic hydrogen is allowed to recombine on the surface to be welded to generate the desired temperature.