2. Why should medicines prepared as suspensions be shaken well before use?
a. to mix in the powder drug that may have settled at the bottom
b.
C.
to make sure the flavors are mixed in so that the dose will not taste bitter
to turn the suspension into a colloid first before getting a dose
d. to turn the suspension into a solution first before getting a dose
3. What is the difference between a suspension and a colloid?
a. Suspensions are for medicines while colloids are for food.
b. Suspensions are heterogeneous while colloids are homogeneous.
c. Suspensions lose their consistency while colloids remain consistent.
d. Suspensions may either be solids, liquids, or gases while colloids are all liquid
4. What is Brownian motion?
a. It is the settling of particles in a suspension.
b. It is the movement of particles in a colloid.
C.
It is the scattering of light by the colloidal particles.
d. It is the dissolving of particles in a solution.
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