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- 1. Multiple ChoiceWhat is true about a solution?Solutions are not mixtures.Solutions are mixtures.All mixtures are solutions.
- 2. Multiple Choice
Why will sugar dissolve in water?
sugar is an ionic substance
sugar is a polar covalent substance
sugar will not dissolve in water
sugar has similar energy to water
- 3. Multiple Choice
Which of the following is soluble in water?
AgNO3
Ca3(PO4)2
Mg(OH)2
PbCl2
- 4. Multiple Choice
What type of solution establishes an equilibrium between dissolving and crystallizing?
unsaturated
saturated
supersaturated
- 5. Multiple Choice
What type of solution contains more dissolved solute than it can hold at a given temperature?
unsaturated
saturated
supersaturated
- 6. Multiple Choice
How many grams of KCl can be dissolved in 100g of water at a temperature of 80.0oC?
40g
50g
65g
100g
- 7. Multiple Choice
If you dilute 20.0 ml of a 3.5M solution to make 100.0 ml of solution, what is the molarity of the dilute solution?
0.18M
0.70M
1.4M
18M
- 8. Multiple Choice
How many moles of solute are present in 3.5L of a 3.0M solution of CuCl2?
10.5g
10.5 mol
10.5M
- 9. Multiple Choice
When a compound held together by ionic bonds dissolves, the compound
releases molecules into the solution
forms a suspension
releases ions into the solution
becomes nonpolar
- 10. Multiple Choice
How does an increase in temperature affect the solubility of gases?
It increases the solubility of the gas.
It decreases the solubility of the gas.
It has no effect on the solubility of the gas.
- 11. Multiple Choice
The substance that gets dissolved in a solution is called a(n)
acid
base
solute
solvent
- 12. Multiple Choice
The substance that does the dissolving in a solution is called a(n)
acid
base
solute
solvent
- 13. Multiple Choice
If a solution has a very low concentration, it is called
saturated
dilute
neutralized
a suspension
- 14. Multiple Choice
What happens to the solubility of a typical solid solute as temperature increases?
the solubility decreases
the solubility increases
the solubility remains the same
There is no way to know without knowing which exact solute
- 15. Multiple Choice
Which of the following substances would conduct electricity if dissolved in water to form a solution?
C6H12O6
CH4
KI
CO2
- 16. Multiple Choice
A conductivity tester is placed in a solution of water and an unknown solute. The bulb doesn't light up. What can you determine about the unknown solute?
It is an ionic compound.
It is a metallic compound.
It is a covalent compound.
Not enough information is given to answer this question.
- 17. Multiple Choice
Would sugar dissolve in gasoline?
Yes
No
- 18. Multiple Choice
Oil does not dissolve in water water because
they have different densities.
one is ionically-bonded and the other is molecularly-bonded.
one is polar and the other is non-polar.
oil is more viscous than water.
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