Glencoe Physical Science

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
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