Difficulty: Medium
Average Score: 85%
Entry Exam
What is a combustion reaction?
Correct answer
D
Rationale
A combustion reaction is a type of chemical reaction that involves a substance reacting with oxygen gas to produce heat and light. This reaction is exothermic, releasing energy in the form of heat and light. The correct answer is D because combustion reactions specifically involve oxygen as a reactant, leading to the production of heat and light as byproducts.