True/False
Indicate whether the
statement is true or false.
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1.
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Color changes always indicate a chemical
change.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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2.
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Which of these symtoms of having too much iron in your system?
a. | Heart attack or failure | e. | B & C | b. | Headaches | f. | C
& D | c. | Vomiting | g. | A
& D | d. | Liver disease | h. | None of the above |
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3.
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What part of the mayapple is edible?
a. | The flower petals | c. | The roots | b. | The ripend fruit with no
seeds | d. | None of the
above |
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4.
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What family does Poison Ivy belong in?
a. | Berberidaceae | c. | Apiacea | b. | Anacardiaceae | d. | Apocynaceae |
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5.
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The correct coefficients to balance the following
reaction are, in
order:
I2O5 + H2S ® I2 +
SO2 + H2O
a. | 3, 5, 3, 5, 5 | b. | 1, 2, 1, 2, 1 | c. | 2, 4, 1, 4,
5 | d. | 2, 5, 2, 5, 5 |
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6.
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When the equation C6H14 +
O2 ® CO2 + H2O is balanced with the
smallest set of integers, the sum of the coefficients is
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7.
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Which separation technique is based on differences in the volatility of the
substances to be separated?
a. | filtration | c. | solvent extraction | b. | distillation | d. | paper
chromatography |
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8.
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Which of the following groups contains no ionic
compounds?
a. | HCN, NO2,
Ca(NO3)2 | b. | PCl5,
LiBr, Zn(OH)2 | c. | KOH,
CCl4, SF4 | d. | CH2O,
H2S, NH3 |
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9.
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In which pair do both compounds exhibit
predominantly ionic bonding?
a. | SCl6 and HF | b. | Na2SO3 and NH3 | c. | LiBr and MgO | d. | LiF and
H2O |
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10.
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Atoms having equal or nearly equal
electronegativities are expected to form
a. | no bonds | b. | polar covalent bonds | c. | nonpolar covalent
bonds | d. | ionic bonds |
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11.
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Atoms with greatly different electronegativity
values are expected to form
a. | no bonds | b. | covalent bonds | c. | triple
bonds | d. | ionic bonds |
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12.
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In the reaction between magnesium and sulfur, the
magnesium atoms
a. | become anions | b. | become cations | c. | become part of
polyatomic ions | d. | share electrons
with sulfur |
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Short Answer
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13.
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 What is the family that this animal is
found in?
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14.
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What happens when a human ingests Rubbing Alcohol?
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15.
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Name three methods for the separation of
mixtures.
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16.
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Name this plants
common name as well as its genus and species.
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17.
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What part of the
country would you be LEAST likely to find this type of spider?
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