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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
helium
B
salt
C
oxygen
D
sodium
2) Water comes from your sink at home is
A
a compound
B
a substance
C
an element
D
a mixture
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 solute.
D
a mixture.
4) Sugar is stirred into a glass of water. The sugar is
A
made by combining Na with Cl.
B
the mixture.
C
the solute.
D
the solvent.
5) The most common solvent found on Earth is
A
water.
B
helium.
C
sugar.
D
paint thinner.
6) Which below is NOT an example of a mixture?
A
the Earth's atmosphere
B
salt water
C
These are ALL examples of mixtures.
D
dumping sand into a bag of marbles.
7) Why is ice NOT a mixture?
A
Water is a mixture. All componds float on mixtures. Ice floats on water and therefore water is a mixture.
B
You can separate what the ice is made out of.
C
It's a compound. It's still just water.
D
It's made out of just hydrogen.
8) A substance that is made up of only ONE kind of atom is a(n)
A
solution
B
homogenous mixture
C
compound
D
element
9) Which below is a mixture?
A
carbon monoxide
B
sand
C
berylium
D
potassium chloride
10) A mixture that contains only one substance is a(n)
A
homogenous mixture
B
heterozygous mixture
C
element
D
compound
*select an answer for all questions
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