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Test Description: Review for solutions exam, general chemistry, April 2015
Instructions: Answer all questions to get your test result.
1) What is a solution?
A
Element
B
Homogenous mixture
C
Heterogenous mixture
D
Compound
2) What is the substance dissolved in a solution?
A
Salt
B
Solution
C
Solute
D
Solvent
3) What is the substance the does the dissolving in a solution?
A
Solute
B
Solution
C
Solvent
D
Salt
4) A solution will be the same phase of matter as the
A
Solvent
B
Salt
C
Surroundings
D
Solute
5) Water pulls apart an ionic compound during the process of
A
Dispersion
B
Deposition
C
Dissociation
D
Ionization
6) Water molecules pull apart a molecule during the process od
A
Dispersion
B
Ionization
C
Dissociation
D
Deposition
7) A solute reacts with water to form new ions during the process of
A
Deposition
B
Dispersion
C
Dissociation
D
Ionization
8) A substance whose aqueous solution conducts electricity is called a(n)
A
Solvent
B
Non-electrolyte
C
Electrolyte
D
Solute
9) When a solute is added to a solvent the freezing point of the solvent
A
Remains the same
B
Decreases
C
None of the above
D
Increases
10) When a solute is added to a solvent the boiling point of the solvent
A
None of the above
B
Remains the same
C
Increases
D
Decreases
11) Forming a solution
A
Can be either an endothermic or an exothermic process
B
Is always an exothermic process
C
Is neither an endothermic nor an exothermic process
D
Is always an endothermic process
12) Which of the following factors does not increase the rate of dissolving a solute into a solvent?
A
Decreasing the surface area of the solute
B
Agitating or stirring the mixture
C
Heating the mixture
D
Increasin the surface area of the solute
13) A saturated solution has
A
More than the maximum amount of solute that can dissolve
B
Less than the maximum amount of solute that can dissolve
C
The maximum amount of solute that can dissolve
D
No solute
14) An unsaturated solution has
A
Less than the maximum amount of solute that can dissolve
B
No solute
C
The maximum amount of solute that can dissolve
D
More than the maximum amount of solute that can dissolve in a dolute
15) A supersaturated solution has
A
No solute
B
More than the maximum amount of solute that can dissolve
C
Less than the maximum amount of solute that can dissolve
D
The maximum amount of solute that can dissolve
16) Which of the following does not affect the solubility of a solution
A
Temperature
B
Pressure
C
Stirring the solution
D
The polarity of the solute
17) The molarity of a solution is the
A
Moles of solvent divided by liters of the solution
B
Moles of solute divided by liters of the solvent
C
Moles of solvent divided by liters of solute
D
Moles of solute divided by the liters of solution
18) Percent by mass is the
A
Mass of the solute divided by the mass of the solution, multiplied by 100
B
Mass of the solvent divided by the mass of the solution, multiplied by 100
C
Mass of the solute divided by the mass of the solvent, multiplied by 100
D
Mass of the solvent divided by the mass of the solute, multiplied by 100
19) Percent by volume is the
A
Volume of the solute divided by the volume of the solution, multiplied by 100
B
Volume of the solvent divided by the volume of the solute, multiplied by 100
C
Volume of the solute divided by the volume of the solvent, multiplied by 100
D
Volume of the solvent divided by the volume of the solution, multiplied by 100
*select an answer for all questions
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