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Solutions Part 1 Test
Test Description: Solutions Part 1 Test
Instructions: Answer all questions to get your test result.
1) In the expression like dissolves like, the word like refers to similarity in molecular
A
size
B
polarity
C
energy
D
mass
2) A substance that is NOT soluble in a polar solvent is
A
hydrogen bond
B
polar
C
nonpolar
D
ionic
3) Which of the following is miscible in oil?
A
iodine
B
food coloring
C
all of these
D
water
4) Sugar is soluble in water because sugar molecules are
A
small
B
massive
C
polar
D
nonpolar
5) Two immiscible substances are
A
water and food coloring
B
water and salt
C
water and sugar
D
water and oil
6) When water is used as a solvent, it is called
A
non-polar bonding
B
hydration
C
effusion
D
diffusion
7) When water gets trapped inside a crystal, it is called a(n)
A
hydrate
B
ion
C
non-polar substance
D
immiscible substance
8) Describe a liquid in terms of volume and shape.
A
A definite volume and no definite shape
B
A definite volume and shape
C
A definite volume and takes the shape of its container
D
No definite volume and shape
9) Evaporation is
A
the process by which a liquid or solid changes to a gas
B
The process by which particles escape from the surface of a nonboiling liquid and enter the gas state
C
The attraction of the surface of a liquid to the surfaces of a solid
D
A force that pulls adjacent parts of a liquid’s surface together
10) What type of bond is formed between the oxygen and hydrogen atoms in a water molecule?
A
polar
B
hydrogen
C
polar-covalent
D
covalent
11) Why is solid water relatively less dense than liquid water?
A
The molecules in liquid water are packed closer together than in solid water
B
There are a lot of empty spaces in between the molecules of ice
C
All of the above
D
When water freezes, the molecules form a hexagonal arrangement
12) Why does water have such a relatively high boiling point?
A
Because of its surface tension
B
Because of the strong polar-covalent bonds between oxygen and hydrogen atoms
C
None of the above
D
Because of the strong hydrogen bonds between water molecules
13) What is the difference between a homogeneous and heterogeneous mixture?
A
Homogeneous looks the same throughout and heterogeneous looks different throughout
B
Homogenous are made up of the same materials throughout and heterogeneous are made up of different materials throughout
C
Homogeneous feel the same throughout and heterogeneous feel different throughout
D
Homogeneous looks different throughout and heterogeneous looks the same throughout
14) What is a mixture?
A
a combination of two or more impure substances
B
a combination of two or more pure substances
C
anything made up of more than one thing
D
a liquid combination of many liquids
15) Which of the following is an example of an emulsion?
A
Mayonnaise
B
Oil and Vinegar
C
Soil and Water
D
Salt and Water
16) What is a mixture with solid particles suspended within a liquid or gas?
A
Suspension
B
Solution
C
Emulsion
D
Colloidal dispersion
17) What type of mixture is a salt and water mixture?
A
suspension
B
emulsion
C
colloidal dispersion
D
solution
*select an answer for all questions
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