Quiz
Chemical Equations
4 years ago by
mgarcia830
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  • Question 1
    30 seconds
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    Q. The substances listed on the right side of a chemical equation are the
    answer choices
    Yields
    Reactants
    Products
    Precipitates
  • Question 2
    30 seconds
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    Q. CaCO3 represents a chemical
    answer choices
    Symbol
    Formula
    Subscript
    Reaction
  • Question 3
    30 seconds
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    Q. The substances listed on the left side of a chemical equation are the
    answer choices
    Products
    Coefficients
    Precipitates
    Reactants
  • Question 4
    30 seconds
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    Q. In chemical reactions, what does the principle of conservation of mass mean?
    answer choices
    Matter is not created or destroyed.
    The total mass of the reactants is greater than the total mass of the products.
    The total mass of the reactants is less than the total mass of the products.
    Matter is not changed.
  • Question 5
    20 seconds
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    Q. A molecule is smaller than an atom.
    answer choices
    True
    False
  • Question 6
    20 seconds
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    Q. How many Oxygen (O) atoms are in 2C2HO8Cl2
    answer choices
    2
    16
    8
    5
  • Question 7
    20 seconds
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    Q. How many Hydrogen (H) atoms are in NH3O5
    answer choices
    3
    4
    5
    1
  • Question 8
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    Q. A molecule is________
    answer choices
    a glob of gelatinous goo
    smaller than an atom
    filled with raisons
    more than one atom bonded together
  • Question 9
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    Q. Which is the Law of Conservation of Matter?
    answer choices
    matter cannot be created or destroyed, it only changes form
    matter can be created but it cannot be destroyed, it never changes form
    matter can be destroyed but it cannot be created, it usually just changes form
    matter is an unproven theory created by Hans Geiger
  • Question 10
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    Q. How many molecules of Carbon are in the following formula? 3C2H6
    answer choices
    3
    6
    12
    18
  • Question 11
    60 seconds
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    Q. How many elements are in C6H12O6?
    answer choices
    1
    2
    3
    4
  • Question 12
    30 seconds
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    Q. How many Sodium (Na) are in 6NaCl?
    answer choices
    1
    12
    6
  • Question 13
    30 seconds
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    Q. How many atoms of carbon (C) are in C6H12O6?
    answer choices
    3
    6
    12
    24
  • Question 14
    30 seconds
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    Q. How many Aluminum are in Al2O3?
    answer choices
    3
    2
    5
  • Question 15
    30 seconds
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    Q. How many Hydrogen are in 4H2O?
    answer choices
    6
    8
    2
    4
  • Question 16
    120 seconds
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    Q. Which one is a compound?
    answer choices
    Co
    Br
    Fe
    CO
  • Question 17
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    Q. Which one is an element?
    answer choices
    Co
    CO
    CO2
    CO3-2
  • Question 18
    120 seconds
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    Q. How many elements are found in the following molecule? Mg(ClO3)2
    answer choices
    1
    4
    3
    5
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