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Science

7th

grade

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Acids and Bases

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    What color does litmus paper turn in the presence of an acid?
    blue
    black
    green
    red
  • 2. Multiple Choice
    30 seconds
    1 pt
    Bases are located where on the pH scale?
    any number can be a base
    below 7
    above 7
    number 7 is a base
  • 3. Multiple Choice
    30 seconds
    1 pt

    A substance that is 3 on the pH scale would be a(n):

    acid

    base

    neutral

    solute

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