Solutions Assessment Mcfadden Pd8
Solutions Assessment Bank
- 1.A mixture in which particles can be seen and easily separated by settling and filtration is a _____
- A.
Suspension
- B.
Solution
- C.
Solute
- D.
Solvent
- 2.Solutes lower the freezing point of water by___________
- A.
Stopping water molecules from moving
- B.
Forming crystals
- C.
Making it harder for water to form crystals
- D.
Making the water molecules move faster
- 3.A polar solvent will most likely dissolve __________.
- A.
Any solute
- B.
Polar solutes
- C.
Nonpolar solutes
- D.
No solute
- 4.A small beaker contains 50 ml of water at 20 degrees Celsius. If three sugar cubes are placed in the beaker, they will eventually dissolve. Which action would speed up the rate at which the sugar cubes dissolve the fastest?
- A.
Use less water initially
- B.
Transfer the contents of the beaker to a larger beaker
- C.
Cool the water and sugar cube mixture to 5 degrees Celsius
- D.
Heat and stir the contents of the beaker
- 5.Sugar water is an example of _____
- A.
Suspension
- B.
Solution
- C.
Solute
- D.
Colloid
- 6.A solution in which more solute may be dissolved at a given temperature is a _______
- A.
Neutral solution
- B.
Unsaturated solution
- C.
Supersaturated solution
- D.
Saturated solution
- 7.A mixture that contains a small amount of undissolved particles that do not settle out and will scatter light is called a _____.
- A.
Colloid
- B.
Solute
- C.
Solution
- D.
Solvent
- 8.The substance found in a solution in the smallest amount is a called a _____________
- A.
Mixture
- B.
Solvent
- C.
Colloid
- D.
Solute
- 9.The measure of how much solute can dissolve in a solvent at a given temperature is called ____.
- A.
Saturation Point
- B.
Solubility
- C.
Concentration
- 10.The three factors that affect solubility are ______.
- A.
Pressure, type of mixture, temperature
- B.
Pressure, type of solvent, temperature
- C.
Type of solvent, type of mixture, how much solution is stirred
- D.
Stirring, pressure, type of solvent
- 11.If you add a solute to a dilute solution, the solution becomes more
- A.
Staurated
- B.
Concentrated
- C.
Superstaurated
- D.
Better mixed
- 12.Select all the choices below that are considered a colloid.
- A.
Milk
- B.
Gelatin
- C.
Water
- D.
Fog
- 13.Select all the choices below that are considered a suspension.
- A.
Italian salad dressing
- B.
Sandy water
- C.
Windex
- D.
Some medicines
- 14.Select all the choices below that are considered a solution.
- A.
Water
- B.
Food color in water
- C.
Windex
- D.
Mayonaise
- 15.How does a solute, when added to a solvent, affect the freezing point of the solvent
- A.
Raises the freezing point
- B.
Lowers the freezing point
- C.
Does not affect the freezing point
- 16.How does a scientist measure concentration?
- A.
The measure of how much solute can be dissolved in a solvent at a given temperature
- B.
The measure of how much solvent can be dissolved in a solute at a given temperature
- C.
The measure of how much solute can be dissolved in a solvent
- D.
The measure of how much solvent can be dissolved in a solute
- 17.As the pressure of a liquid decreases
- A.
Less gas can be dissolved in the liquid
- B.
More gas can be dissolved in the liquid
- C.
The decrease in temperature makes no difference
- 18.
![In the graph below, which of the variables is the manipulated (independent) variable?
- ProProfs]( "In the graph below, which of the variables is the manipulated (independent) variable?")
In the graph below, which of the variables is the manipulated (independent) variable?- A.
Solubility
- B.
Temperature
- 19.
![In the graph below, which of the variables is the responding (dependent) variable?
- ProProfs]( "In the graph below, which of the variables is the responding (dependent) variable?")
In the graph below, which of the variables is the responding (dependent) variable?- A.
Solubility
- B.
Temperature
- 20.
![In the graph below, which solid shows the greatest change in solubility with temperature?
- ProProfs]( "In the graph below, which solid shows the greatest change in solubility with temperature?")
In the graph below, which solid shows the greatest change in solubility with temperature?- A.
KNO3
- B.
NaNO3
- C.
KBr
- D.
NH4Cl
- E.
Yb2(SO4)3
- 21.
![Using the graph below, at approximately what temperature will 100g of water dissolve equal amounts oh KNO3 and KBr?
- ProProfs]( "Using the graph below, at approximately what temperature will 100g of water dissolve equal amounts oh KNO3 and KBr?")
Using the graph below, at approximately what temperature will 100g of water dissolve equal amounts oh KNO3 and KBr?- A.
32
- B.
55
- C.
72
- D.
22
- 22.A mixture in which no more solute can be dissolved is called
- A.
Saturated
- B.
Supersaturated
- C.
Unsaturated
- 23.A solution that has more dissolved solute than is predicted by its solubility at a given temperature is called
- A.
Saturated
- B.
Supersaturated
- C.
Unsaturated
- 24.The concentration of a solution is measured by....
- A.
Comparing the amount of solute the amount of solvent
- B.
Comparing the amount of solvent to the amount of solute
- C.
Comparing the amount of the solute to the amount of solvent or the total amount of solution
- D.
None of the answers given is correct
- 25.What is the best way to change the concentration of a solution
- A.
Add more solute
- B.
Add more solvent
- C.
Add more solute or change the amount of solvent
- D.
None of the answers given are correct
Questions: 20 | Attempts: 32 | Last updated: Mar 18, 2013
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Sample QuestionThe process of a material becoming incorporated uniformly into another or mixing together evenly.
Questions: 35 | Attempts: 26 | Last updated: Jan 14, 2014
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Sample QuestionA mixture in which particles can be seen and easily separated by settling and filtration is a _____
Questions: 33 | Attempts: 27 | Last updated: Jan 14, 2014
-
Sample QuestionA mixture in which particles can be seen and easily separated by settling and filtration is a _____
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