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Solubility
Test Description: 6.P.2.3 - Students will define solubility and investigate this physical property.
Instructions: Answer all questions to get your test result.
1) What is the most common solvent in everyday life?
A
carbon containing chemicals
B
ethanol
C
water
D
all of the above
2) What is the definition of a solute?
A
a mixture of two solutions
B
water
C
what gets dissolved into a solvent
3) In a solution (which is a mixture of a solute and a solvent) which do you typically have more of?
A
solvent
B
solute
C
the same amount of both
4) What is solubility?
A
the ability of a given substance (solute) to dissolve into a solvent
B
the ability of a given substance (solvent) to dissolve into a solute
5) How does temperature affect solubility?
A
solubility increases with an increase in temperature
B
solubility decreases with an increase in temperature
C
solubility is not affected by temperature
6) Insolubility refers to poorly soluble compounds, however, there are few cases when there is NO material dissolved. Is this statement TRUE or FALSE?
A
false
B
true
7) The rate of solution is a measure of how fast a substance dissolves. Which is a factor that determines the rate of solution?
A
color
B
weight
C
heat
D
size
8) What are the main factors that affect solubility?
A
nature of the solvent
B
nature of the solute
C
all of the above
D
temperature
9) I want to increase the rate of dissolving of the sugar in my tea. What should I do?
A
wait patiently
B
stir the tea
C
chill the tea
D
add more sugar
10) Solubility is a ____change.
A
chemical
B
physical
C
mechanical
D
technical
*select an answer for all questions
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