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Physical Chapter 15 Test

Enter the letter for the matching Answer
incorrect
1.
Scattering of light off of a colloid, reason fog can blind people when driving
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2.
separates solids from liquids by using a porous barrier
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3.
Physical Change or Chemical Change? Rusting
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4.
A chemical combination of two or more different elements is a
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5.
Physical Change or Chemical Change? Ripping
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6.
Which type of mixtures looks like it is made of different substances visually?
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7.
Two or more different kinds of particles that are not chemically joined to each other.
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8.
What is considered a pure substance?
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9.
homogeneous mixture with particles that will never settle out, particles too small to see without an extreme microscope
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10.
What are the two types of mixtures?
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11.
Heterogeneous mixture with large particles that easily settle out
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12.
Element or compound: baking soda
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13.
A substance that cannot be separated into simpler substances by physical or chemical means is a(n)
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14.
Which type of mixtures look the same, uniform throughout?
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15.
Matter can be broken down into 2 catagories. What are they?
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16.
Matter is neither created nor destroyed, but it can be changed from one form to another
A.
Suspension
B.
Solution
C.
Heterogeneous and homogeneous
D.
Elements and compounds
E.
mixture
F.
Element
G.
Physical
H.
Filtration
I.
Homogeneous
J.
Chemical
K.
Compound
L.
Pure Substances and Mixtures
M.
Law of conservation of mass(matter)
N.
Heterogeneous
O.
Tyndall Effect
P.
compound
Type the Answer that corresponds to the displayed Question.
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17.
Physical or Chemical Property? Hardness
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18.
Mixture with particles (visible with magnifying glass)that take a long time to settle. Scatters light
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19.
Physical Change or Chemical Change? Boiling
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20.
Physical or Chemical Property? Melting point
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21.
Element or Compound: silicon
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22.
A Substance that can be separated into its components through physical methods?
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23.
homogeneous mixture, usually something dissolved in water
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24.
Properties that can be observed without changing the substance's chemical structure or composition.
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25.
Physical or Chemical Property? Malleable
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26.
Element or compound: sodium chloride

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