Question

PLEASE HELP ASAP WILL MARK BRAINLESS AND GIVE 20 POINTS

The process of filtration was used to separate a sample into its components. What conclusion about the sample can be formed based on the technique used?
It was a pure substance.
It was a compound.
It was a heterogeneous mixture.
It was a homogeneous mixture

Answer 1

It was a heterogeneous mixture.

Since you were able to separate the mixture than means they are heterogeneous mixture 

Answer 2

It was a heterogeneous mixture is your answer, or C.