Multiple Choice
Identify
the letter of the choice that best completes the statement or answers
the question.
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1. |
All
matter is made up of a collection of individual particles called:
a. |
Atoms |
c. |
Elements |
b. |
Molecules |
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2. |
Elements are substances that contain different types of atoms.
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3. |
All
organic compounds contain carbon molecules.
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4. |
Large
molecular structures are known as:
a. |
Micromolecules |
c. |
Compounds |
b. |
Macromolecules |
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5. |
Osmosis is the movement of water molecules from a weak or dilute
solutions to a:
a. |
Weaker
solution |
c. |
Solution
of the same strength |
b. |
More concentrated solution |
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6. |
Diffusion is the movement of molecules in a solute from an area
of:
a. |
Dilute
concentration |
c. |
High
concentration |
b. |
Low concentration |
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7. |
What
is the name given to the substance used to stabilize a product?
a. |
Alkaline |
c. |
Emulsifier |
b. |
Humectant |
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8. |
What
does the pH scale measure?
a. |
Acidity and alkalinity |
c. |
Ions |
b. |
Hydrogen |
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9. |
The
pH of water is:
a. |
Neutral |
c. |
Alkaline |
b. |
Acid |
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10. |
Aromatic compounds contain carbon atoms joined together to form
a:
a. |
Chain |
c. |
Crystal |
b. |
Ring |
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