Final answer:
An oxyacetylene torch generates tremendous heat by burning acetylene gas in oxygen. (option A)
Step-by-step explanation:
The correct answer is A) Oxygen.
An oxyacetylene torch generates tremendous heat by burning acetylene gas in oxygen. This exothermic reaction releases a large amount of energy, which heats and melts the metal being cut. The sparks seen during the process are tiny bits of the molten metal flying away. Acetylene, when burned in oxygen, can reach temperatures of over 3000°C.
A cutting torch generates tremendous heat by burning oxygen and acetylene gas. This process is known as oxy-acetylene or oxy-fuel cutting. In this technique, acetylene (C2H2) and oxygen (O2) are mixed in specific proportions and ignited to produce an intensely hot flame. The fundamental principle involves the combustion of acetylene in the presence of oxygen.
The cutting torch's ability to generate tremendous heat is attributed to the combustion of acetylene in the presence of oxygen, forming a potent oxy-acetylene flame used for metal-cutting applications.