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- 1. Multiple Choice
An aqueous solution is ........................................... that contains dissolved substances
a molten metal
water
a liquid hydrogen
- 2. Multiple Choice
In a solution, the dissolving medium is the .................................
solute
solvent
- 3. Multiple Choice
The dissolved particles in a solution are the .....................
solute
solvent
- 4. Multiple Choice
Solutions are ................................... mixtures.
heterogeneous
homogeneous
- 5. Multiple Choice
Substances that....................................in water include ionic compounds and polar covalent compounds.
dissolve most readily
don't dissolve
- 6. Multiple Choice
The process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules is called .......................................
sublimation
solvation
saturation
- 7. Multiple Choice
Nonpolar solvents such as gasoline dissolve ............................... compounds.
nonpolar
polar
- 8. Multiple Choice
....................................................... is a compound that conducts an electric current when it is in an aqueous solution or in the molten state.
A nonelectrolyte
An electrolyte
- 9. Multiple Choice
All ionic compounds are electrolytes because they dissociate into ions.
True
False
- 10. Multiple Choice
....................................................... is a compound that does not conduct an electric current in either an aqueous solution or the molten state.
A nonelectrolyte
An electrolyte
- 11. Multiple Choice
Many molecular compounds are nonelectrolytes because they are not composed of ions.
True
False
- 12. Multiple Choice
A ............................. electrolyte conducts an electric current poorly because only a fraction of the solute in the solution exists as ions.
weak
strong
- 13. Multiple Choice
In a solution that contains a .......................... electrolyte, all or nearly all of the solute exists as ions.
weak
strong
- 14. Multiple Choice
The water contained in a crystal is called the water of ........................................ or water of .........................................
(Choose two answers)
hydration
crystallization
condensation
halogenation
- 15. Multiple Choice
A compound that contains water of hydration is called ..................................
anhydrous
a hydrate
- 16. Multiple Choice
A substance that is anhydrous does not contain water ..................................
anhydrous
a hydrate
- 17. Multiple Choice
If a hydrate has a vapor pressure higher than the pressure of water vapor in the air, the hydrate will lose its water of hydration or ........................
hygroscopic
effloresce
desiccant
- 18. Multiple Choice
A tightly sealed container which is used to store and keep substances dry.
hygroscopic
effloresce
desiccator
- 19. Multiple Choice
Are compounds that remove sufficient water from the air to dissolve completely and form solutions.
Hygroscopic
Effloresce
Deliquescent
- 20. Multiple Choice
The solution formed by a deliquescent substance has a ................................ vapor pressure than that of the water in the air.
lower
greater
- 21. Multiple Choice
What the percent by mass of water in CuSO4.5H2O ?
(H = 1, O = 16, S = 32, Cu = 63.5)
36.1%
2.7%
277.2%
- 22. Multiple Choice
A ............................. electrolyte conducts an electric current poorly because only a fraction of the solute in the solution exists as ions.
weak
strong
- 23. Multiple Choice
All ionic compounds are electrolytes because they dissociate into ions.
True
False
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