Question

a welding torch produces a flame by burning acetylene fuel in the presence of oxygen. this flame is used to melt a metal. which energy transformation represents this process? chemical energy into thermal energy kinetic energy into potential energy kinetic energy into electromagnetic energy potential energy into chemical energy

Explanation:

Acetylene - oxygen combustion is a chemical reaction. Chemical energy in fuel is released as heat (thermal energy) to melt metal.

Answer:

A. chemical energy into thermal energy