Question
#x Which material is a pure substance?
A
alloy
compound
C
mixture
D
solution
A
alloy
compound
C
mixture
D
solution
Answers
GPT-4o mini
The correct answer is **B. compound**.
A compound is a pure substance formed when two or more elements chemically combine in a fixed ratio. In contrast, alloys, mixtures, and solutions are not pure substances as they consist of two or more components that can be separated by physical means.
A compound is a pure substance formed when two or more elements chemically combine in a fixed ratio. In contrast, alloys, mixtures, and solutions are not pure substances as they consist of two or more components that can be separated by physical means.