Question

c. Which of the following combinations of gases is used for metal welding? 1. Oxygen-ethyne 2. Hydrogen-ethyne 3. Hydrogen-oxygen 4. Ethyne –hydrogen and oxygen

Answer 1

the answer is Option A that is oxygen- ethyne..

HOPE IT HELPS YOU MATE!!!

Answer 2

Explanation:

$\huge \boxed{\underbrace{\mathfrak {\underline {\fcolorbox {black}{pink}{Answer}}}}}$

$\boxed { Oxygen-ethyne }$