Question

instructions: for each test item, identify the choice that best completes the statement or answers the question. question 9 3 pts you are about to open a container of salad dressing but notice that there are instructions to “shake well before serving.” the salad dressing is most likely a— suspension colloid pure substance solution

Explanation:

Salad dressing often has components that separate over time and need to be mixed by shaking. Suspensions are mixtures where particles settle out over time and need to be redistributed by shaking or stirring. Solutions are homogeneous and don't separate, pure substances are uniform throughout and don't need shaking to be consistent, and colloids are stable mixtures that don't settle out easily.

Answer:

D. suspension