Physical Science, New York Edition

Chapter 22: Solutions

Section 1 Self-Check Quiz-Eng.

1.
A mixture that appears to have the same composition, color, and density and is mixed at the molecular level is called a(n) __________ .
A)solution
B)heterogeneous mixture
C)suspension
D)element
2.
Which of the following is a solution?
A)salt water
B)milk
C)muddy water
D)chlorine
3.
A __________ is the substance being dissolved in a solution.
A)solvent
B)insolvent
C)substrate
D)solute
4.
Air contains 78 percent nitrogen, 21 percent oxygen, and one percent argon. Which gas is the solvent?
A)oxygen
B)argon
C)nitrogen
D)none of the above
5.
Sterling silver contains 92.5 percent silver and 7.5 percent copper. Which substance is the solute?
A)silver
B)copper
C)platinum
D)Solids do not form solutions.
6.
Which attribute enables water molecules to dissolve sugar?
A)liquid state of the solute
B)stationary nature of water molecules
C)nonpolarity of water
D)electrical charge
7.
Which of the following actions increases the rate of dissolving?
A)decreasing the temperature
B)using larger-sized crystals
C)decreasing the pressure
D)stirring the solution
8.
As the temperature of a liquid solvent increases, the amount of solute that can dissolve in it __________ .
A)decreases
B)remains constant
C)increases
D)decreases by 1° Celsius for every milliliter of solvent
Physical Science - New York Edition
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