lets check,
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 is heterogeneous.
2. why sould the midicince prepared as suspension be shaken well before use,
a. to mix the powder drug that may have settled at the bottom,
b. to make sure the flavors are mixed in so that the dose not will taste bitter,
c. to turn the suspension into a colloid first before getting a dose.
d. to turn the suspension into 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 liquids.
4. what is brownian motion,
a. it is the settling of particlesin 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 particlis in a solution.
5. what is the best discription of tyndall effect in colloid,
a. the particles are large enough to scatter light.
b. the particles are small enough to scatter light.
c. the particles cannot be seen through a microscope.
d. the particles are easily seen by the eyes.
6. which of the following is the characteristics of colloids,
a. homogeneous mixtures that seem to be heterogeneous
b. heterogeneous mitures that seem to be homogeneous
c. suspension that look like solutions
d. solution that look like colloids
7. milk is a mixture of liquid butter fat and water. what kind of mixture is it
a. colloid b. foam c. solution d. suspension
8. why dose the sky looks blue in daytime and looks red durring sunset,
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 easily seen by the eyes
9. what kinds of colloids are cloud and fog,
a. liquid dispersed in solid b. gas dispersed in liquid
c. gas dispersed in solid d. liquid dispersed in gas