Unit 8 - Dissolving Without Water
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A ______ is a large molecule made of carbon and hydrogen atoms.
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Hydrogen oxide
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Hydrocarbon
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Solvent
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Solute
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Questions for the lesson of the same title.
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- 2.
What characteristic of water makes it the universal solvent?
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Nonpolar
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Large molecules
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Long-chain hydrocarbon
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Polar
Correct Answer
A. Polar -
- 3.
Because electrons are distributed equally, a hydrocarbon is ______.
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Polar
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Nontoxic
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Nonpolar
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Insoluble
Correct Answer
A. Nonpolar -
- 4.
Why is it dangerous to take large doses of some nonpolar vitamins?
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They are fat soluble and accumulate in body tissues.
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They are water soluble and become concentrated in body tissues.
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They cannot dissolve in fat and instead dissolve in the water inside body cells.
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These substances cannot be utilized by the body.
Correct Answer
A. They are fat soluble and accumulate in body tissues. -
- 5.
Which of the following statemenst is true?
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Nonpolar solvents are useful for dissolving polar solutes.
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Polar solvents are useful for dissolving nonpolar solutes.
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Nonpolar solvents are not useful because they do not form solutions with water.
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Nonpolar solvents are useful for dissolving nonpolar solutes.
Correct Answer
A. Nonpolar solvents are useful for dissolving nonpolar solutes. -
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