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Properties Of Water
Test Description: Characteristics of water and solutions chemistry
Instructions: Answer all questions to get your test result.
1) The high surface tension of water is due to the:
A
hydrogen bonding between water molecules
B
small size of water molecules
C
low mass of water molecules
D
covalent bonds in water molecules
2) Salt and other compounds that remove moisture from the air are said to be:
A
hygroscopic
B
surfactant
C
efflorescent
D
colloidal
3) A typical kind of emulsion is:
A
mayonnaise
B
muddy water
C
sea water
D
smoke
4) An electric current is conducted by:
A
solid sugar
B
a sugar solution
C
solid NaCl
D
a solution of NaCl
5) Mixtures from which some of the particles will seettle slowly upon standing are referred to as:
A
suspensions
B
solutions
C
homogeneous
D
colloids
6) Ice floats on liquid water because its density is:
A
lower than that of liquid water
B
none of these
C
higher than that of liquid water
D
the same as that of liquid water
7) The part of the solution that is the substance that is dissolved
A
solute
B
dessicant
C
solvent
D
electrolyte
8) The inward force that tend to minimize the surface area of a liquid:
A
specific heat capacity
B
surfactant
C
hydrogen bonding
D
surface tension
9) A compound that does not conduct an electric current in aqueous solution or when molted is called a(n):
A
nonelectrolyte
B
hydrate
C
colloid
D
electrolyte
10) We use soap in water to do which of the following:
A
raise the speific heat of the water
B
raise the heat of vaporization of the water
C
dehydrate the water solution
D
lower the surface tension of the wter
*select an answer for all questions
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