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Test Description: Solutions/mixtures
Instructions: Answer all questions to get your test result.
1) Which of the following is the best example of a solution?
A
a) water and gravel
B
trail mix
C
iron filings and sand
D
ice tea
2) Which of the following substances is soluble in water?
A
sand
B
lemon juice
C
pepper
D
baking soda
3) Which factor will NOT cause a solute to dissolve more quickly?
A
shaking
B
adding ice
C
stirring
D
heating the water
4) A liquid used to dissolve a solute is called a __________________.
A
solution
B
solubility
C
solute
D
solvent
5) characteristics of a gas
A
have a definite volume
B
particles that do not move and have no shape
C
particles that flow freely,
D
tightly packed particles
6) How could you make a more concentrated solution?
A
Add more solvent
B
Pour out some of the solution
C
Add more solute
D
Put the solution in the refrigerator
7) characteristics of a solid
A
more loosely packed particles that flow onto one another
B
tightly packed particles
C
particles that do not move and have no shape
D
particles that flow freely
8) Which substance would dissolve in water the most quickly?
A
sugar cube
B
sand
C
salt crystals
D
baking soda
9) What is the best way to separate a mixture of sand and iron filings
A
use a strainer
B
use filter paper to catch the sand
C
use a magnet
D
use tweezers to pick out iron filings
10) Which of the following is an example of a solution?
A
sand and rocks
B
sugar and vinegar
C
oil and water
D
salt and paper
11) Which of the following is an example of a mixture?
A
food coloring and water
B
fruit salad
C
salt and water
D
lemondade
12) best way to separate sand and water
A
use tweezers
B
use a magnet
C
let the water evaporate
D
fuse filter paper to trap the sand
*select an answer for all questions
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