Question

The essential(s) for combustion is (are)

• A. a combustible material
• B. the presence of oxygen
• C. ignition temperature of the substance
• D. All of the above

Answer 1

The correct option is D

All of the above

1. A chemical process in which a substance reacts with oxygen to give off heat is called combustion.
2. The key components of a combustion process are a combustible material, the presence of oxygen, and the temperature at which the combustion takes place, called ignition temperature.

Hence, option D is correct.