Water Purification /Water Treatment Plant

10 Questions | Total Attempts: 35

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Water Purification /Water Treatment Plant

Welcome to quiz about water purification!


Questions and Answers
  • 1. 
    What is cause of this environmental issue
    • A. 

      Nitrates

    • B. 

      Sulfates

    • C. 

      Both Nitrates and phospahates

    • D. 

      None of the above

  • 2. 
    Depletion of  [     ] kills aquatic organisms
  • 3. 
    Alum causes clumping of mud particles
    • A. 

      True

    • B. 

      False

  • 4. 
    Which substance acts as a disinfectant in water purification?
    • A. 

      Hydogen

    • B. 

      Sulfuric acid

    • C. 

      Chlorine

    • D. 

      Nitrogen

  • 5. 
    Which substance removes smell from water
    • A. 

      Sand

    • B. 

      Gravel

    • C. 

      Activated charcoal

    • D. 

      Diamond

  • 6. 
    Desalination is another method to obtain pure water
    • A. 

      True

    • B. 

      False

  • 7. 
    Which non metal ion salts are added in water to prevent tooth decay?
    • A. 

      Sulfide

    • B. 

      Oxide

    • C. 

      Fluoride

    • D. 

      Bromide

  • 8. 
    Hydrated copper sulfate is white solid
    • A. 

      True

    • B. 

      False

  • 9. 
    Rugs , plastics and wooden materials are separated by 
    • A. 

      Screening

    • B. 

      Sedimentation

    • C. 

      Chlorination

    • D. 

      Fluoridation

  • 10. 
    Sea water may boil at 98C
    • A. 

      True

    • B. 

      False

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