Science

9th

grade

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Classification of Matter

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Is the following a pure substance or mixture? Baking Soda ( NaHCO3NaHCO_3 

    pure substance

    mixture

  • 2. Multiple Choice
    30 seconds
    1 pt

    Is the following a pure substance or mixture? Trimix (oxygen, nitrogen, and helium) found in a scuba tank

    pure substance

    mixture

  • 3. Multiple Choice
    30 seconds
    1 pt

    Is the following an element or compound? A silicon (Si) chip.

    element

    compound

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