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Solutions And Mixtures
Test Description: 8th Grade Science, CA
Instructions: Answer all questions to get your test result.
1) Which choice is a homogeneous mixture?
A
hot chocolate with marshmallows
B
coffee
C
trail mix
D
oatmeal
2) Which type of molecule is water
A
ionic
B
precipitate
C
polar
D
non-polar
3) The substance that is used to dissolve the solute is the:
A
solvent
B
solution
C
water
D
reactant
4) There are two containers of Kool-aid. One has 3 tablespoons of Kool-aid mix in 1 quart. One has 3 tablespoons of mix in 2 quarts. Which is more concentrated?
A
You can't tell since they are different sizes
B
The 3 tablespoons in 1 quart
C
They are even
D
The 3 tablespoons in 2 quarts
5) Which is an example of a heterogeneous mixture?
A
lemonade
B
tea
C
vegetable soup
D
gatorade
6) Homogeneous mixtures are:
A
combined chemically
B
always liquids
C
have visibly different particles
D
the same throughout
7) Heterogeneous mixtures are:
A
those where the substances do not spread out evenly.
B
solutions
C
the same throughout
D
always solids
8) If a solution is unsaturated:
A
it is lower in calories
B
it has no solute in it
C
you can dissolve more solute in it
D
it is concentrated
9) An alloy is a
A
a solid solution
B
homogeneous mixture
C
a metal compound
D
heterogeneous mixture
10) Water is an excellent solvent because
A
its electrons are shared equally.
B
it is clear.
C
its a polar molecule that attracts other molecules.
D
its slightly acidic.
*select an answer for all questions
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