1.what is the difference between a suspension and a solution.
a. a suspension is more concentrated than a solution.
b. a suspension is less concentrated than a solution.
c. a suspension is heterogeneous while a solution is homogeneous.
d. a suspension is homogeneous while a solution i heterogeneous.
2. why sould medicines prepared as suspensions be shaken well before use.
a. to mix in the powder drug tat may have settled at the bottom
b. to make sure the flavors are mixed in so that the dose will not taste bitter
c. 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 diffenrence between a suspension and a coloid.
a. suspensions are for medicines while colloids are food.
b. suspensions are heterogeneous while colloids remain consistent.
c. suspensions lose their consistency while colloids remain consistent.
d. suspensions may either be solids, liquids, or gases while colloids re all liquids.
4. what is brownian motion,
a. it si the settling of particles i a suspesion.
b. it is the movement of particles in a colloid.
c. it is the scattering of light by the colloid particles.
d. it is the dissolving of particles in solution.
5. what is the best description of tyndall effect in a colloid.
a. the particles are large enough to scatter light .
b. the particles are small enouh to scatter light .
c. the particles cannot be seen through a microscope.
d. the particles are easily be seen by the eyes .
6. which of the following is the characterstic of colloids.
a. homogeneous mixtures that seem to be heterogeneous.
b. heterogeneous mixtures that to be seem homogeneous.
c. suspensions that look like solutions.
d. solutions that look like colloids.
7. milk is a mixture of liquid butterfat and water . what kind of mixture is it ,
a. colloid b. foam c. solution d. suspension
8. why does the sky look blue in th daytime and looks red durring the sunsent,
a. because of brownian movement
b. because of the suspended particles in the air
c. because of tyndall effect
d. because of particles that are easilly seen by the eye
9. what kinds of colloids are cloud and frog,
a. liquid in dispersed in solid
b. gas dispersed in liquid
c. gas dispersed in solid
d. liquid dispersed in gas