Elements, Compounds, Mixtures

24 Questions

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Elements, Compounds, Mixtures

Are you looking at a element, compound, or mixture (homogeneous or heterogeneous?


Questions and Answers
  • 1. 
    An alloy is:
    • A. 

      A compound

    • B. 

      A solution metals

    • C. 

      A solution of gases

    • D. 

      Element

  • 2. 
    In sweetened tea is considered a 
    • A. 

      Element

    • B. 

      Homogeneous mixture (solution)

    • C. 

      Compound

    • D. 

      Heterogeneous mixture

  • 3. 
    The substance that does the dissolving (the tea), is called a 
    • A. 

      Solute

    • B. 

      Solvent

    • C. 

      Solution

  • 4. 
    Sodium (Na) is considered an
    • A. 

      Element

    • B. 

      Homogeneous mixture

    • C. 

      Compound

    • D. 

      Heterogeneous mixture

  • 5. 
    A mixture is two or more substances.  It __________ be separated? 
    • A. 

      Can

    • B. 

      Can not

  • 6. 
    Are mixtures chemically combined?
    • A. 

      Yes

    • B. 

      No

  • 7. 
    An Element is a simple pure substance. It __________ be separated?
    • A. 

      Can

    • B. 

      Can not

  • 8. 
    A _______________ is two or more different elements that are chemically combined.
    • A. 

      Element

    • B. 

      Compound

    • C. 

      Mixture

  • 9. 
    A compound __________ be separated by physical change?
    • A. 

      Can

    • B. 

      Can not

  • 10. 
    Are compounds chemically combined?
    • A. 

      Yes

    • B. 

      No

  • 11. 
    Carbon Dioxide (CO2) is made of elements.
    • A. 

      True

    • B. 

      False

  • 12. 
    An element can be broken down by physical or chemical means.
    • A. 

      True

    • B. 

      False

  • 13. 
    Elements, compounds and mixtures are pure substances.
    • A. 

      True

    • B. 

      False

  • 14. 
    • A. 

      True

    • B. 

      False

  • 15. 
    One example of changing a substance chemically is:
    • A. 

      Filtering it

    • B. 

      Burning it

    • C. 

      Boiling it

  • 16. 
    A person may put the following compound on his or her french fries:
    • A. 

      NaCl

    • B. 

      Sn

    • C. 

      HCl

    • D. 

      K

  • 17. 
    If a solute is unable to be dissolved in a given solvent, the solute is said to be:
    • A. 

      Indissolveable

    • B. 

      Soluble

    • C. 

      Insoluble

  • 18. 
    If a drink container tells you to "SHAKE WELL" before drinking, the mixture in the container is most likely a:
    • A. 

      Homogeneous mixture (Solution)

    • B. 

      Heterogeneous mixture

    • C. 

      Compound

    • D. 

      Element

  • 19. 
    A _________ ____________ is made of only one type of particle.
    • A. 

      Pure substance

    • B. 

      Compound

    • C. 

      Solution

    • D. 

      Homogeneous mixture

  • 20. 
    Click ALL the ways to speed up dissolving:
    • A. 

      Stirring

    • B. 

      Boiling

    • C. 

      Freezing

    • D. 

      Heating

    • E. 

      Filtering

    • F. 

      Crushing

    • G. 

      Burning

    • H. 

      Nothing

  • 21. 
    What kind of reaction is it when ice melts?
    • A. 

      Endothermic

    • B. 

      Exothermic

  • 22. 
    What is the universal solvent?
  • 23. 
  • 24. 
    Milk from the farm and smog represent what type of mixture?