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1. In a solution the substance that is
being dissolved is called the___
2. An emulsion is always between___
b) A solid and liquid
c) Two gases
d) Two liquids
3. What is one property of a suspension that
is different from that of a solution or a colloid?
a) If left to rest, the particles of a suspension will settle out.
b) The particles of a suspension reflect light.
c) A suspension is always clear
d) Suspensions are colorless
4. A What is the size of particles
in a solution?
a) More than 10,000 Angstroms
b) Between 10,000 and 100,000 Angstroms
c) Between 10 and 10,000 Angstroms
d) Molecule size
5. A solution that cannot hold any more solute
at room temperature is ___
a) A weak solution
b) A concentrated solution
c) A saturated solution
d) A supersaturated solution
6. An example of
a colloid which is an emulsion is ___
a) Wipped cream
7. An example of a solution is ___
a) Sugar and water
b) Sand and water
d) Whipped Cream
8. Oil floats on water. The most accurate
reason for this is
a) oil is less dense than water
b) oil is immiscible (does not dissolve) in water
c) oil is both less dense and immiscible with water
d) water is heavier than oil
9. The best method to separate
the solute from the solvent in a solution would be ___
d) all of the above will work
10. What makes water such a good
a) Water is a good solvent because it is a negatively charged ion.
b) Water is such a good solvent because it repels most molecules
b) Water is such a good solvent because it is such a small molecule
d) Water is a good solvent due to its polarity and small molecular size
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