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Properties Of Matter Ch 2 #2
Test Description: Review of Properties of Matter Ch 2 for Test
Instructions: Answer all questions to get your test result.
1) Which of these isn't the way to recognize a chemical change?
A
Production of a gas
B
Change in smell
C
A change in color
D
Formation of a precipitate
2) What is a chemical change?
A
Any characterisitic of a material that can be observed.
B
Change that occurs when a substance reacts and forms one or more new substances
C
A change occuring when some property of a material changes but the substance stays the same
D
A force that holds atoms or ions together as a unit
3) Which of these is a good example of malleability?
A
Wood
B
Glass
C
Gold
D
Concrete
4) In a heterogenous mixture,
A
A mixture that separates into layers over time
B
The parts of the mixture are noticeably different from one another.
C
A mixture with intermediate sized particles
D
The parts of the mixture are evenly distributed (and you can't really tell a substance from another)
5) Distillation is different from filtration because it
A
separates particles based on their freezing point
B
separates particles based on their melting point
C
separates particles based on their boiling point
D
separates particles based on their size
6) Flammability
A
is when a substance reacts and forms one or more new substances.
B
is when a solid forms and separates from a liquid mixture.
C
is how readily a substance combines chemically with other substances.
D
is a material's ability to burn in the presence of oxygen.
7) Conductivity
A
is the tendency of a liquid to keep from flowing
B
is a heterogenous mixture
C
is a material's ability of a solid to be hammered without shattering
D
is a material's ability to allow heat to flow
8) Precipitate
A
is how readily a substance combines chemically with other substances.
B
is a material's ability to burn in the presence of oxygen.
C
is when a substance reacts and forms one or more new substances.
D
is when a solid forms and separates from a liquid mixture.
9) If you leave a tray of ice cubes out in the open and they turn to liquid (water), what is this an example of?
A
Water's freezing point
B
Water's boiling point
C
Water's melting point
D
Water's viscosity
10) The temperature at which a substance boils is the
A
melting point
B
reactivity
C
boiling point
D
viscosity
*select an answer for all questions
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