The gaseous mixture used for welding of metals is

The gaseous mixture used for welding of metals is
  1. $\mathrm{C}_2 \mathrm{H}_4, \mathrm{O}_2$
  2. $\mathrm{C}_4 \mathrm{H}_{10}, \mathrm{O}_2$
  3. $\mathrm{C}_2 \mathrm{H}_2, \mathrm{~N}_2$
  4. $\mathrm{C}_2 \mathrm{H}_2, \mathrm{O}_2$

Solution

Mixture of acetylene and oxygen is used as a fuel for oxy-welding. As this mixture forms flames hot enough, cutting and welding of metals becomes easier.

Asked in: AP EAMCET 2022 (05 Jul Shift 1)

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