Science

7th

grade

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Chemistry Review

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20 questions

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  • Multiple Choice
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    30 seconds
    1 pt
    Which of the following is a chemical change?
    Iron rusting 
    Glass breaking
    Clothing ripping
    Hair cut
  • Multiple Choice
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    30 seconds
    1 pt
    Image
    Is this equation balanced?
    Yes
    No
    Not enough information
  • Multiple Choice
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    30 seconds
    1 pt
    What is the law of conservation of matter?
    Matter changes when reacted or changed.
    The mass of all reactants are changed during a physical or chemical change.
    The mass of the reactants is the same as the mass of the products.
    The mass of the products is different than the mass of the reactants.
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