Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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According to the particle theory of matter, the particles of a substance
a. | move faster as temperature decreases | b. | repel each other | c. | are in constant,
random motion | d. | are the same regardless of what type of substance it
is |
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2.
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A substance is heated. The particles gain energy and begin moving faster and
sliding past each other because the attraction between the particles can no longer hold them
together. In what state is the substance?
a. | solid | b. | liquid | c. | gas | d. | none of the
above |
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3.
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Milk is an example of a(n)
a. | pure substance | b. | mechanical mixture | c. | solution | d. | alloy |
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4.
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A uniform mixture of two or more substances is called a(n)
a. | pure substance | b. | mechanical mixture | c. | solution | d. | alloy |
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5.
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All of the following are examples of physical properties, except
a. | lustre | b. | optical clarity | c. | brittleness | d. | ability to burn |
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6.
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Which of the following is an example of a qualitative property?
a. | odour | b. | temperature | c. | height | d. | mass |
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7.
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The degree to which a fluid resists flow is called
a. | lustre | b. | optical clarity | c. | brittleness | d. | viscosity |
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8.
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The ability of a substance to be hammered into a thinner sheet or molded is
called
a. | hardness | b. | malleability | c. | ductility | d. | conductivity |
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9.
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Which of the following is an example of a chemical property?
a. | lustre | b. | density | c. | boiling
point | d. | bleaching ability |
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10.
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All of the following are evidence of a chemical change, except
a. | a change of colour | b. | a change of state | c. | a change of
odour | d. | presence of a precipitate |
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11.
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Which of the following is a characteristic physical property?
a. | lustre | b. | brittleness | c. | density | d. | malleability |
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12.
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Which of the following metals has the highest melting point?
a. | mercury | b. | tungsten | c. | tin | d. | lead |
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13.
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The ratio of a substance’s mass to its volume is called
a. | density | b. | malleability | c. | ductility | d. | viscosity |
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14.
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What is the density of a metal that is 20.0 cm long, 11.0 cm wide, and 3.0 cm
high, with a mass of 1.782 kg?
a. | 2.7 g/cm3 | b. | 7.13 g/cm3 | c. | 7.87
g/cm3 | d. | 8.96 g/cm3 |
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15.
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Which of the following metals has the lowest density?
a. | gold | b. | lead | c. | mercury | d. | aluminum |
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16.
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The boiling point of water is
a. | 0 °C | b. | 50 °C | c. | 100 °C | d. | 212 °C |
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17.
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At room temperature, mercury is in what physical state?
a. | solid | b. | liquid | c. | gas | d. | aqueous |
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18.
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The density of water is highest at a temperature of
a. | 0 °C | b. | 4 °C | c. | 32 °C | d. | 100 °C |
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19.
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Pieces of copper can be drawn into thin wires and are thus considered
a. | malleable | b. | hard | c. | ductile | d. | brittle |
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20.
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A solid that separates from a solution is called a(n)
a. | alloy | b. | mixture | c. | precipitate | d. | none of the
above |
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