Mrs. Le's Science Final

13 Questions | Total Attempts: 50

SettingsSettingsSettings
Please wait...
Mrs. Le

Questions and Answers
  • 1. 
    carbohydrates are a solution of...
    • A. 

      Carbon,hydrogen,oxygen

    • B. 

      Carbon and oxygen

    • C. 

      Nitrogen and carbon

  • 2. 
    A polymer is made of...
    • A. 

      Composites

    • B. 

      Carbon and oxygen

    • C. 

      A chain of smaller molecules

  • 3. 
    Acids are usually are...
    • A. 

      Sour, produces OH- ions in a solution, turns blue litmus paper red, and are corrosive

    • B. 

      Sour, produces H+ ions in a solution, turns red litmus paper blue, and are corrosive

    • C. 

      Sour, produces H+ ions in a solution, turns blue litmus paper red, and are corrosive

  • 4. 
    Carbon has 3 valence electrons.
    • A. 

      True

    • B. 

      False

  • 5. 
    A neutral substance has a Ph scale of
  • 6. 
    Rings, straight lines, and branched structures describe..
    • A. 

      Nanotubes

    • B. 

      The structural formula of hydrocarbons

    • C. 

      The structural formula of Carbohydrates

  • 7. 
    Check the four pure forms of carbon
    • A. 

      Nanotube, fullerene,diamond, and graphite

    • B. 

      Carbohydrates, proteins, fats, and nucleic acid

    • C. 

      Neither

  • 8. 
    What are monomers?
    • A. 

      Larger molecules that make up smaller molecules

    • B. 

      Polymers

    • C. 

      Small molecules that make up larger molecules

  • 9. 
    Hydrocarbons are made up of...
    • A. 

      Carbon

    • B. 

      Hydrogen

    • C. 

      Both

  • 10. 
    Bases are usually
    • A. 

      Slippery, produces OH- ions in a solution, bitter, and turn red litmus paper blue

    • B. 

      Slippery, produces OH+ ions in a solution, bitter, and turn red litmus paper blue

    • C. 

      Slippery, produces OH- ions in a solution, bitter, and turn red litmus paper red

  • 11. 
    Carbon can bond with itself
    • A. 

      True

    • B. 

      False

  • 12. 
    Are you going to pass the quiz?
    • A. 

      No

    • B. 

      Pass I will, pass i must

    • C. 

      Yes

Back to Top Back to top