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Multiple Choice Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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_____ NH4Cl is classified as a(n) a. | Ionic
compound | c. | Molecular acid
compound | b. | Molecular nonacid compound | | | | |
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2.
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_____
HClO4 is classified as a(n) a. | Ionic compound | c. | Molecular acid compound | b. | Molecular
nonacid compound | | | | |
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3.
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_____ N2Cl4 is classified as
a(n) a. | Ionic
compound | c. | Molecular acid
compound | b. | Molecular nonacid compound | | | | |
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4.
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A(n) _____ is a chemical that changes color and can determine if a
substance is an acid. a. | buffer | d. | vitamin | b. | pH | e. | mineral | c. | indicator | | | | |
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5.
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In this laboratory exercise, red cabbage is used as a(n)
_____. a. | buffer | d. | vitamin | b. | pH | e. | mineral | c. | indicator | | | | |
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6.
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According to
the pH for red cabbage, classify a substance that turns red cabbage
red. a. | strong acid | c. | weak acid | b. | neutral | | | | |
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7.
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Name
the following compound: Cu3PO4 a. | copper
phosphorus oxide | d. | copper (I)
phosphate | b. | copper (I) phosphorus oxide | e. | copper (III) phosphate | c. | copper (III)
phosphorus oxide | | | | |
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8.
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Write
the formula for the following compound: tetraphosphorus dichloride a. | P3Cl2 | d. | P6Cl2 | b. | P4Cl2 | e. | P7Cl2 | c. | P5Cl2 | | | | |
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9.
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In
Step 1 of the laboratory exercise, what color does the red cabbage water turn after heating (no other
substances added to the red cabbage juice except water)? a. | red | d. | colorless | b. | blue | e. | purple | c. | green | | | | |
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