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Mixtures And Solutions
Test Description: Unit 2
Instructions: Answer all questions to get your test result.
1) The classification of matter as a solid, a liquid, or a gas
A
matter
B
magnetism
C
physical state
D
solubility
2) The characteristic of matter to sink or float in water
A
relative density
B
magnetism
C
solubility
D
freezing
3) Measurement of the ability of a solid to dissolve in a liquid
A
insulator
B
magnetism
C
evaporation
D
solubility
4) Allows electric current or heat energy to flow through easily
A
conductor
B
matter
C
insulator
D
solution
5) Temperature at which a substance changes from a liquid to a gas (100 degrees Celcius for water)
A
evaporation
B
boiling point
C
condensation
D
freezing point
6) Slows down or stops electric current or heat energy from flowing
A
solution
B
conductor
C
insulator
D
solubility
7) A combination of two or more substances where each keep their own properties
A
solid
B
mass
C
solution
D
mixture
8) Temperature at which a substance changes from a liquid to a solid (0 degrees Celcius for water)
A
boiling point
B
evaporation
C
freezing point
D
solubility
9) A mixture of one substance dissolved evenly in another
A
physical state
B
solution
C
insulator
D
magnetism
10) Anything that has mass an takes up space
A
mixture
B
conductor
C
magnet
D
matter
11) The amount of matter in an object
A
weight
B
magnetism
C
mass
D
liquid
12) The property of attraction to a magnet
A
relative density
B
solubility
C
magnetism
D
physical state
13) What happens to salt grains when they dissolve in water?
A
they change their chemicals to become water
B
they get smaller in size until they can no longer be seen
C
the grains get higher in temperature until they melt into a liquid
D
they dissappear
14) How would you separate a mixture of iron filings and pepper?
A
screen
B
magnet
C
filter paper
D
funnel
15) Describe the particles in a liquid
A
they cannot be weighed on a scale
B
takes the shape of its container
C
they have the most energy of all phases of matter
D
the particles are tightly packed together
16) If the temperature of the water is 37 degrees Celcius, how many more degrees does it need to cool to reach freezing?
A
63 degrees
B
37 degrees
C
0 degrees
D
5 degrees
17) How would you separate a mixture of sand and sea shells?
A
boiling
B
filter paper
C
magnet
D
screen
18) How would you separate a mixture of salt and water?
A
filter paper
B
you cannot separate the two
C
funnel
D
evaporation
19) Matter that has a definite volume but no definite shape is
A
liquid
B
volume
C
freezing
D
gas
20) A mixture that has the same composition throughout is
A
solubility
B
volume
C
temperature
D
a solution
*select an answer for all questions
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