Matter And Safety Review Quiz

20 Questions | Total Attempts: 74

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Matter And Safety Review Quiz

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Questions and Answers
  • 1. 
    Anything that has mass and takes up space is _________.
    • A. 

      Matter

    • B. 

      Volume

    • C. 

      Pressure

    • D. 

      Weight

  • 2. 
    A sample of gold has a mass of 15.7 g and displaces 0.81 cm3 of water in a graduated cylinder. What is the density of gold? Density = mass/volume
    • A. 

      0.05 g/cm3

    • B. 

      0.81 g/cm3

    • C. 

      14.9/g/cm3

    • D. 

      19.3 g/cm3

  • 3. 
    Which of the following numbers is equal to 2.70 x 10-4?
    • A. 

      0.00027

    • B. 

      0.675

    • C. 

      27x10-3

    • D. 

      270

  • 4. 
    Use the conversion factor above to find the meters in 2.7 x 103 kilometers. 1 km = 1000 m
    • A. 

      2.7 x 10^5 m

    • B. 

      2.7 x 10^-3 m

    • C. 

      2.7 m

    • D. 

      2.7 x 10^6 m

  • 5. 
    A characteristic that can be observed or measured without changing the sample's composition is ________________.
    • A. 

      A chemical property

    • B. 

      A physical property

    • C. 

      A gaseous property

    • D. 

      A crystalline property

  • 6. 
    When one substance changes identity, it exhibits a(n) __________.
    • A. 

      Chemical property

    • B. 

      Physical property

    • C. 

      Extensive property

    • D. 

      Intensive property

  • 7. 
    Which of the following is a pure substance?
    • A. 

      Soda

    • B. 

      Gun powder

    • C. 

      Sugar water

    • D. 

      Steam

  • 8. 
    Which of these is not a homogeneous mixture?
    • A. 

      Sugar dissolved in water

    • B. 

      Oxygen and nitrogen gases in the air

    • C. 

      Oil and vinegar salad dressing

    • D. 

      A silver mercury amalgam used to fill a tooth cavity

  • 9. 
    Which of the following is a compound?
    • A. 

      Water

    • B. 

      Neon

    • C. 

      Steel

    • D. 

      Crude oil

  • 10. 
    Classify the following as a physical or a chemical change. Iron and oxygen form rust
    • A. 

      Chemical

    • B. 

      Physical

  • 11. 
    Classify as a physical or a chemical property. Iron is more dense than aluminum.
    • A. 

      Chemical

    • B. 

      Physical

  • 12. 
    Classify as a physical or a chemical property.  Oil and water do not mix.
    • A. 

      Chemical

    • B. 

      Physical

  • 13. 
    Identify each physical property as extensive or intensive. melting point
    • A. 

      Intensive

    • B. 

      Extensive

  • 14. 
    Identify each physical property as extensive or intensive. mass
    • A. 

      Intensive

    • B. 

      Extensive

  • 15. 
    Identify each physical property as extensive or intensive. density
    • A. 

      Intensive

    • B. 

      Extensive

  • 16. 
    Classify as a physical change or a chemical change. water freezing and forming ice
    • A. 

      Physical

    • B. 

      Chemical

  • 17. 
    Classify as a physical change or a chemical change. leaves changing colors in the fall
    • A. 

      Physical

    • B. 

      Chemical

  • 18. 
    Give me one example of an element, a compound, a homogeneous mixture, and a heterogeneous mixture.
  • 19. 
    Two items that must be worn during any laboratory experiment are ___________.
    • A. 

      Safety goggles and a lab apron

    • B. 

      Safety goggles and fire-proof mitts

    • C. 

      Gloves and a lab apron

    • D. 

      Rubber gloves and a face shield

  • 20. 
    When a laboratory session ends, you must always ___________.
    • A. 

      Wash your hands

    • B. 

      Wash your eyes in the eye-wash fountain

    • C. 

      Take a shower in the chemical hazard shower

    • D. 

      Eat or drink in the laboratory

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