Which material used in oxyacetylene torches helps cut and weld metals?
dioxide
carbon
sulfur
acetylene
Note Acetylene is used in oxyacetylene torches for cutting and welding metals. The flame from such a torch can be very hot. Most acetylene, however, is converted to chemical intermediates that are used to make vinyl and acrylic plastics, fibers, resins, and a variety of other products.