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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
polarity
B
energy
C
size
D
mass
2) A substance that is NOT soluble in a polar solvent is
A
hydrogen bond
B
ionic
C
polar
D
nonpolar
3) Which of the following is miscible in oil?
A
iodine
B
water
C
all of these
D
food coloring
4) Sugar is soluble in water because sugar molecules are
A
massive
B
nonpolar
C
small
D
polar
5) Two immiscible substances are
A
water and sugar
B
water and oil
C
water and salt
D
water and food coloring
6) When water is used as a solvent, it is called
A
diffusion
B
hydration
C
effusion
D
non-polar bonding
7) When water gets trapped inside a crystal, it is called a(n)
A
ion
B
non-polar substance
C
immiscible substance
D
hydrate
8) Describe a liquid in terms of volume and shape.
A
A definite volume and shape
B
No definite volume and shape
C
A definite volume and takes the shape of its container
D
A definite volume and no definite shape
9) Evaporation is
A
The process by which particles escape from the surface of a nonboiling liquid and enter the gas state
B
A force that pulls adjacent parts of a liquid’s surface together
C
The attraction of the surface of a liquid to the surfaces of a solid
D
the process by which a liquid or solid changes to a gas
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
There are a lot of empty spaces in between the molecules of ice
B
When water freezes, the molecules form a hexagonal arrangement
C
All of the above
D
The molecules in liquid water are packed closer together than in solid water
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 different throughout and heterogeneous looks the same throughout
B
Homogeneous feel the same throughout and heterogeneous feel different throughout
C
Homogenous are made up of the same materials throughout and heterogeneous are made up of different materials throughout
D
Homogeneous looks the same throughout and heterogeneous looks different throughout
14) What is a mixture?
A
anything made up of more than one thing
B
a liquid combination of many liquids
C
a combination of two or more impure substances
D
a combination of two or more pure substances
15) Which of the following is an example of an emulsion?
A
Oil and Vinegar
B
Soil and Water
C
Mayonnaise
D
Salt and Water
16) What is a mixture with solid particles suspended within a liquid or gas?
A
Emulsion
B
Suspension
C
Solution
D
Colloidal dispersion
17) What type of mixture is a salt and water mixture?
A
colloidal dispersion
B
solution
C
emulsion
D
suspension
*select an answer for all questions
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