13. Which of the following mixtures is not an example of a suspension?
a, salt and water
b. oil and water
c. sand and water
d. chalk and water

14. How does suspension appear?
a. It appears clear.
c. It appears messy.
b. It appears cloudy.
d. none of the above

15. Which of the following statements do not describe a suspension?

a. Suspensions are larger particles is visible to the naked eyes.

b. Suspensions are particles that settle out when left undisturbed.

c. Mixture of soil and water is an example of suspension

d. Suspensions are homogeneous mixture and invisible to the naked eye.