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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In
writing a chemical equation, what is placed on the right side of the yield sign? a. | products | d. | physical
states | b. | reactants | e. | Do not know | c. | elements | | | | |
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2.
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What
does "aq" stand for when placed next to a substance in a chemical
equation? a. | solid | d. | gaseous
state | b. | liquid | e. | Do not know | c. | dissolved in
water, aqueous | | | | |
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3.
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What
is the coeficient for the underlined compound when the chemical equation is balanced:
H2(g) + O2(g)
® H2O(l) a. | 1 | d. | 4 | b. | 2 | e. | Do not know | c. | 3 | | | | |
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4.
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There
are four type of factors that drive a reaction forward, forma of water, formation of gas, transfer of
electrons and __________. a. | formation of solid | d. | formation mixture | b. | formation of
liquid | e. | Do not
know | c. | formation of
electrons | | | | |
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5.
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What
is a precipitation reaction? a. | the formation of a solid | d. | the formation of aqueous solution | b. | the formation of
liquid | e. | Do not
know | c. | the formation of
electrons | | | | |
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6.
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What
happens when you place an ionic compound in water? a. | nothing | d. | a transfer
electrons takes place | b. | the ions dissociate | e. | Do not know | c. | the ions
rearange | | | | |
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7.
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When
an aqueous solution of silver nitrate is added to an aqueous solution of potassium chloride, a white
solid forms. Idendify the white solid and write the balanced equation for the reaction that occurs.
AgNO3(aq) + KCl(aq) ®
White solid a. | AgNO3(aq) + KCl(aq)
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AgNO3(aq) +
KCl(s) | d. | AgNO3(aq) + KCl
® AgCl(s) +
KNO3(aq) | b. | 2AgNO3(aq)
+ KCl ® 2AgCl(aq) +
KNO3(s) | e. | Do not
know | c. | AgNO3(aq) + KCl
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AgCl(aq) + KNO3(s) | | | | |
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8.
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When
you mix and acid and base what is always formed? a. | a neutral compound | d. | a, b and c | b. | water | e. | do not
know | c. | a double
replacement reaction | | | | |
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9.
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An
oxidation reduction reaction involve the ______ . a. | The transfer of electrons | d. | the formation of water | b. | the formation of
solid | e. | Do not
know | c. | the formation of
gas | | | | |
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10.
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Classify the following reaction: Na(s) +
O2(g) ® Na2O2(s) a. | oxidation
reduction | d. | both a and
c | b. | precipitation
reaction | e. | Do not
know | c. | synthesis | | | | |
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