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Solubility
Test Description: The aim of this game is to identify factors affecting solubility of solids and gases.
Instructions: Answer all questions to get your test result.
1) What is a saturated solution? A saturated solution is a:
A
solution that can't dissolve additional quantities of solute.
B
diluted solution.
C
solution that can dissolve additional quantities of solute.
D
heterogeneous mixture.
2) Choose the correct statement:
A
A given volume of solvent dissolve any quantity of solute.
B
Any quantity of sugar can be dissolved in 100ml water.
C
A given quantity of sugar can be dissolved in 100ml water.
D
A 100 ml water can dissolve any quantity of sugar.
3) Indicate which of the following does not affect the solubility of solid solutes.
A
Stirring.
B
Volume of solvent.
C
Quantity of solute.
D
Temperature.
4) Choose the correct statement:
A
Stirring slows down (decreases) rate of dissolution.
B
Grinding solids speeds up their rate of dissolution.
C
Heating slows down (decreases) rate of dissolution.
D
Grinding solids decreases their surface area of contact.
5) The solubility of solids depends on temperature. As temperature increases,
A
the solubility of most solid solutes increases.
B
the solubility of most solid solutes drops to zero.
C
the solubility of most solid solutes decreases.
D
the solubility of most solid solutes does not vary.
6) How does the solubility of sugar vary with temperature?
A
As temperature increases,solubility of sugar doesn't vary.
B
As temperature increases,solubility of sugar drops to zero
C
As temperature decreases, solubility of sugar increases.
D
As temperature increases, solubility of sugar increases.
7) The solubility of gases depends on temperature and pressure.
A
An increase in pressure, decreases solubility of gases.
B
An increase in temperature, increases solubility of gases.
C
An increase in temperature,doesn't affect solubility of gas
D
An increase in pressure, increases solubility of gases.
8) Keep carbonated drinks in cold places,
A
increases solubility of sugar in water.
B
decreases solubility of carbon dixoide gas in water.
C
increases solubility of carbon dixoide gas in water.
D
does not affect solubility of carbon dixoide gas in water.
9) When someone opens a bottle of carbonated drinks, the pressure inside the bottle decreases. This results in:
A
a no change in the solubility of CO2 gas in water.
B
a decrease in the solubility of CO2 gas in water.
C
an increase in the solubility of CO2 gas in water.
D
an increase in the solubility of sugar in water.
10) Fish need oxygen to survive. Goldfish in a crowded aquarium have a better chance of survival in cold water than in warm water because:
A
In warm water,solubility of salts increases.
B
In cold water,solubility of oxygen gas increases.
C
In warm water,solubility of oxygen gas increases.
D
In cold water,solubility of oxygen gas decreases.
*select an answer for all questions
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