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Classifying Matter
Test Description: How do mixtures differ from pure substances?
Instructions: Answer all questions to get your test result.
1) Which of these substances is NOT an element?
A
salt
B
helium
C
sodium
D
oxygen
2) Water comes from your sink at home is
A
a mixture
B
an element
C
a compound
D
a substance
3) You accidently dump salt into the half-full pepper shaker. You have just created
A
a solution.
B
a gigantic rift in the space-time continuum.
C
a mixture.
D
a solute.
4) Sugar is stirred into a glass of water. The sugar is
A
the solute.
B
the solvent.
C
made by combining Na with Cl.
D
the mixture.
5) The most common solvent found on Earth is
A
paint thinner.
B
sugar.
C
helium.
D
water.
6) Which below is NOT an example of a mixture?
A
the Earth's atmosphere
B
salt water
C
dumping sand into a bag of marbles.
D
These are ALL examples of mixtures.
7) Why is ice NOT a mixture?
A
It's a compound. It's still just water.
B
Water is a mixture. All componds float on mixtures. Ice floats on water and therefore water is a mixture.
C
It's made out of just hydrogen.
D
You can separate what the ice is made out of.
8) A substance that is made up of only ONE kind of atom is a(n)
A
compound
B
homogenous mixture
C
element
D
solution
9) Which below is a mixture?
A
sand
B
potassium chloride
C
carbon monoxide
D
berylium
10) A mixture that contains only one substance is a(n)
A
heterozygous mixture
B
element
C
compound
D
homogenous mixture
*select an answer for all questions
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