Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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If you pour water into a container of oil and shake it up you will have
a(n)
a. | element | c. | mixture | b. | compound |
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2.
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Pure oxygen is not chemically combined with other substances, it is an example
of a(n)
a. | element | c. | mixture | b. | compound |
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3.
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Which number on the diagram above represents the
simple machine known as a lever?
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4.
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If you had a glass of water and you left it outside in the winter, its physical
properties would most likely change from ______ to ________.
a. | gas to solid | c. | solid to gas | b. | liquid to solid | d. | gas to liquid |
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5.
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1) 2) 3) 4) Which item above has its molecules closest together?
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6.
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Which item below has the ability to assume the shape and volume of its
container? 1) 2) 3) 4)
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7.
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Which word below is defined as: “a substance that is made entirely of one
type of atom”?
a. | gas | c. | compound | b. | element | d. | atom |
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8.
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Which of the items below is an element?
a. | Water - symbol H2O | c. | hydrogen dioxide - symbol
H2O2 | b. | Table salt - symbol NaCl | d. | Iron - symbol
Fe |
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9.
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A substance made from two or more different elements that have been chemically
joined is called:
a. | a substance | c. | a mixture | b. | a compound | d. | an element |
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10.
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A mixture is:
a. | many items joined together through a chemical reaction that creates a new
substance | c. | a substance made by combining two or more different materials in such a way that no
chemical reaction occurs | b. | a feature of most chemicals that has two or
more elements working together to form a new substance | d. | items that work together to form a
unit |
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11.
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Which of the items below is a mixture?
a. | a bowl of M & M’s | c. | a glass window | b. | drop of
water | d. | a piece of peanut
brittle candy |
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12.
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What is the difference between a compound and a mixture?
a. | the number of elements involved | c. | a source of
chemicals | b. | whether or not heat is applied | d. | a chemical reaction
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13.
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Which of the items below is an element?
a. | sulphur dioxide - SO2 | c. | CO - carbon
monoxide | b. | chlorine gas -Cl | d. | HS2 - hydrogen sulfide |
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14.
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1) 2) 3) 4) Which of the items above is NOT a
mixture?
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15.
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1) 2) 3) 4) Which of the items above is a compound?
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