What is the main criterion you use to distinguish between a homogeneous and a heterogeneous mixture?
A. The transparency or opacity of the mixture
B. The number of different components visible
C. The physical state of the mixture
2. You would describe a homogeneous mixture as:
A. A single component
B. A composition with an insoluble solid
C. A clear solution
3. Suspensions are mixtures that _____ because the particle sizes are so large.
A. Blend
B. Mix
C. Settle
4. Foam is a:
A. Suspension
B. Colloid
C. Solution
5. Oil and water are a mixture that is classified as:
A. Suspension
B. Colloid
C. Solution