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Mixtures & Solutions #3
Test Description: Review #3 Good Luck
Instructions: Answer all questions to get your test result.
1) Which of the following is the best example of a solution?
A
iron filings and sand
B
water and gravel
C
ice tea
D
trail mix
2) Which of the following substances is very soluble in water?
A
sand
B
baking soda
C
citric acid
D
pepper
3) Which factor will NOT cause a solute to dissolve more quickly?
A
shaking
B
adding ice to the water
C
heating the water
D
stirring
4) A liquid used to dissolve a solute is called a __________________.
A
solution
B
solute
C
solubility
D
solvent
5) Which of the following describes the characteristics of a gas?
A
tightly packed particles which keep their shape and have a definite volume
B
more loosely packed particles that flow onto one another, take the shape of their container and have a definite volume
C
particles that flow freely, without a definite shape or volume and fill their container
D
particles that do not move and have no shape
6) Which method would be best for separating citric acid and water?
A
evaporation
B
filtering through a coffee filter
C
floatation
D
chromotography
7) How could you make a more concentrated solution?
A
Put the solution in the refrigerator
B
Pour out some of the solution
C
Add more solvent
D
Add more solute
8) Which of the following describes the characteristics of a solid?
A
tightly packed particles which keep their shape and have a definite volume
B
more loosely packed particles that flow onto one another, take the shape of their container and have a definite volume
C
particles that do not move and have no shape
D
particles that flow freely, without a definite shape or volume and fill their container
9) How can you tell which solution is more concentrated when they look the same and have the same volume?
A
Put your finger in the mystery solution
B
Use a thermometer to test temperatures
C
Use a balance to see which is the heaviest
D
Taste the mystery solution
10) Which substance would dissolve in water the most quickly?
A
baking soda
B
large salt particles
C
small salt particles
D
sand
*select an answer for all questions
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