Science, Chemistry

Grade 9 physical science Quiz 1

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  • 1. Multiple-choice
    1 minute
    1 pt
    Acids react with
    water to produce bases and salts
    salts to produce bases and water
    neither bases, salts nor water
    bases to produce salts and water
  • 2. Multiple-choice
    1 minute
    1 pt

    A substance is found to have the following characteristics:


    Very bitter taste

    Feels slippery to the touch

    Produces OH- ions when dissolved in water


    In what category would the substance be classified?

    acid

    base

    enzyme

    fatty acid

  • 3. Multiple-choice
    1 minute
    1 pt

    HF is...

    an acid

    a base

    a salt

    an ionic compound

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