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Properties Of Matter 2
Test Description: Physical and chemical properties of matter based on Arizona standards.
Instructions: Answer all questions to get your test result.
1) Chloroform has a melting point of -63.5 °C, and a boiling point of 61.2 °C. At what temperature will chloroform become a solid?
A
-2.3 °C
B
61.2 °C
C
-63.5 °C
D
0 °C
2) Nitrogen is a gas at room temperature. The melting point of nitrogen is -210 °C, and its boiling point is -196 °C. At what temperature will nitrogen gas become a liquid?
A
-14 °C
B
-210 °C
C
-196 °C
D
0 °C
3) Which statement best describes the motion of atoms in a solid?
A
They are motionless.
B
They rotate counterclockwise.
C
They move about freely.
D
They vibrate in place.
4) In which state of matter are atoms locked into place?
A
plasma
B
liquid
C
gas
D
solid
5) In which state of matter are molecules relatively close and experience occasional collisions as they move past each other?
A
gas
B
solid
C
plasma
D
liquid
6) Which statement is true?
A
Every element in the periodic table reacts strongly with water.
B
A substance's reactivity is determined by its location in the periodic table.
C
Reactivity is the rate at which a substance undergoes a chemical reaction.
D
Less reactive substances will not undergo chemical reactions.
7) Which of the following is most likely to corrode?
A
a branch
B
a nail
C
a shirt
D
a leaf
8) Which statement is true?
A
A chemical is a base if its pH is between 0 and 7.
B
A chemical is a base if its pH is between 0 and 14.
C
A chemical is a base if its pH is between 7 and 14.
D
A chemical is a base if its pH is between 4 and 10.
9) Which statement is true?
A
The acidic range of the pH scale is between 7 and 14.
B
The acidic range of the pH scale is between 0 and 7.
C
The acidic range of the pH scale is between 0 and 14.
D
The acidic range of the pH scale is between 7 and 10.
10) Solution X is a strong acid with a pH of 1. Solution X is mixed with solution Y,and the pH of the resulting mixture is 6. Based on this information, how should solution Y be classified?
A
strong acid
B
weak acid
C
neutral solution
D
strong base
*select an answer for all questions
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