Pure Substances and Mixtures
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16 QuestionsShow answers
  • Question 1
    20 seconds
    Q.

    ___________ are the smallest unit of an element that maintains the properties of that element.

    answer choices

    Atoms

    Elements

    Compounds

    Mixtures

  • Question 2
    20 seconds
    Q.

    An _______________ is made up of one or more of the same kind of atom chemically combined.

    answer choices

    atom

    element

    molecule

    compound

  • Question 3
    20 seconds
    Q.

    A ______________ is made up of different kinds of atoms chemically combined.

    answer choices

    element

    compound

    mixture

    molecule

  • Question 4
    10 seconds
    Q.

    True or False: elements AND compounds are pure substances.

    answer choices

    True

    False

  • Question 5
    20 seconds
    Q.

    Elements are broadly classified as metals, nonmetals, and _________________.

    answer choices

    compounds

    organic

    metalloids

    Metallica

  • Question 6
    20 seconds
    Q.

    A ______________ mixture is one that does not have a uniform composition.

    answer choices

    heterogeneous

    homogenous

    pure substance

  • Question 7
    20 seconds
    Q.

    A _________________ mixture is one where the substances are evenly spread throughout.

    answer choices

    heterogeneous

    homogeneous

    pure substance

  • Question 8
    20 seconds
    Q.

    In a ______________, one substance is dissolved in another substance.

    answer choices

    solution

    suspension

    colloid

  • Question 9
    20 seconds
    Q.

    Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

    answer choices

    heterogeneous

    homogeneous

    pure

  • Question 10
    20 seconds
    Q.

    Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

    answer choices

    heterogeneous

    homogeneous

    pure

  • Question 11
    20 seconds
    Q.

    Which of these is an element?

    answer choices

    Salt (NaCl)

    Water (H20)

    Oxygen (O)

    Carbon Dioxide (CO2)

  • Question 12
    20 seconds
    Q.

    Which of these is a mixture?

    answer choices

    Laundry Detergent

    Salt (NaCl)

    Oxygen (O)

    Fluorine (Fl)

  • Question 13
    20 seconds
    Q.

    Air is:

    answer choices

    An element

    A compound

    A mixture

    None of these

  • Question 14
    45 seconds
    Q. Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
    Using the information in the chart, which statement is the BEST description of the drink and salad?
    answer choices
    The salad and fruit drink are both mixtures.
    The salad and the fruit drink are both solutions.
    The fruit drink is a mixture because the ingredients can't be separated.
    The salad is a solution because the ingredients can't be separated.
  • Question 15
    10 seconds
    Q. The picture shown here is what type of mixture?
    answer choices
    homogeneous
    hetergeneous
    pure substance
    element
  • Question 16
    30 seconds
    Q. What is the smallest unit of matter?
    answer choices
    atom
    element
    molecule
    compound
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