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