Which is the best example of a pure substance?
A B C D
peanuts milk gold air
Question: Which is the best example of a pure substance?
(A) peanuts
(B) milk
(C) gold
(D) air

Answer: (C) gold
Answer: (B) milk
Question: Which is the best example of a pure substance?
(A) peanuts
(B) milk
(C) gold
(D) air
Answer: (C) gold