Question

Name a gas used along with acetylene for welding and cutting metals

Answer 1

Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the U.S.) and oxy-fuel cutting are processes that use fuel gases and oxygen to weld and cut metals, respectively

Answer 2

Oxyhydrogen flame is used for welding and cutting of metals.
Hydrogen and oxygen gases.....