Question

Which of the following CANNOT be considered a single phase?
A) a heterogeneous mixture
B) a pure solid
C) a pure liquid
D) a homogeneous mixture

Answer 1

A) a heterogeneous mixture

Answer 2

A pure solid and a pure liquid are definitely a single phase because they are so united, or homogeneous. This leads to a homogeneous mixture also being a single phase.

The option that cannot be considered a single phase is D. a heterogeneous mixture.

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