Question

Which of the following consists of a single element or type of compound?

a) Heterogeneous mixture
b) Homogeneous mixture
c) Impure substance
d) Pure substance

Answer 1

The answer is D) Pure substance.

Explanation:

I took the test and it was right

Answer 2

D) Pure substance

An impure substance is a mixture with different elements, that means A, B, and C can't be the right answer. A pure substance, on the other hand, contains only one element or compound.