Environmental Chemistry 9 - Practice Quiz

34 Questions | Total Attempts: 581

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Environmental Chemistry 9 - Practice Quiz

Circles O = multiple choice Squares [ ] = choose multiple answers READ THE QUESTIONS CAREFULLY!


Questions and Answers
  • 1. 
    What can indicate healthy levels of chemicals in the water?
    • A. 

      PH lower than 5

    • B. 

      PH higher than 5.6

    • C. 

      Dissolved oxygen higher than 5

    • D. 

      High levels of nitrogen and phosphorus

  • 2. 
    2 biological indicators are...
    • A. 

      PH level and invertebrates

    • B. 

      Microbiological and aquatic invertebrates

    • C. 

      PH level and acidity

    • D. 

      None

  • 3. 
    Which is the fourth factor that can affect dissolved oxygen levels in water?1. Turbulence2. Temperature3. Number of organisms4. ???
    • A. 

      Density of dissolved minerals can affect the concentration of the oxygen levels

    • B. 

      Amount of dissolved CO2

    • C. 

      PH level

    • D. 

      Photosynthesis from plants

    • E. 

      None of the above

  • 4. 
    Livable Dose 50 is what it takes to kill 50% of a set amount of population by a toxin.
    • A. 

      True

    • B. 

      False

  • 5. 
    What is so special about:MercuryCopperLeadZincCadmiumNickel
    • A. 

      The density is 5g/cubic cm (heavy metals)

    • B. 

      They weigh the water down

    • C. 

      It is a toxic metal

    • D. 

      The density is 5mg/cubic cm (heavy metals)

  • 6. 
    What is a scrubber?
    • A. 

      It uses limestone neutralize chemicals

    • B. 

      It is used to reduce emissions

    • C. 

      It uses limestone to "clean" the SO2

    • D. 

      It uses limestone to filter the CO2

  • 7. 
    What are the 5 purposes of water?
    • A. 

      Recreation, Drinking water, Irrigation, Protect aquatic life, and livestock drinking water.

    • B. 

      Cleansing, Recreation, Drinking water, Irrigation, other uses

    • C. 

      Energy, Cleansing, Drinking water, recreation, irrigation

    • D. 

      Cleansing, Drinking water, aquatic life, livestock drinking water, energy

  • 8. 
    Which is worse?
    • A. 

      Greenhouse effect

    • B. 

      Enhanced greenhouse effect

  • 9. 
    Which three are the stages that transport substances through the air?
    • A. 

      Release

    • B. 

      Deposition

    • C. 

      Dispersion

    • D. 

      Evaporation

  • 10. 
    Which 4 factors affect the distribution of chemicals in the air?
    • A. 

      Air quality

    • B. 

      Wind speed

    • C. 

      Chemical Properties

    • D. 

      Wind direction

    • E. 

      Temperature

    • F. 

      Precipitation

  • 11. 
    Which ones are correct?
    • A. 

      Permeable means substances can move easily through it

    • B. 

      Permeable means that certain substances can move through

    • C. 

      Permeable means that nothing can pass through

    • D. 

      Impermeable means that it is very difficult or can barely pass through it

  • 12. 
    Leachate is the combination of a liquid and the substance it moves along.When does this occur?
    • A. 

      Dissolving in water

    • B. 

      Reducing the concentration of a substance

    • C. 

      Transporting water in soil

    • D. 

      All of the above

  • 13. 
    Which five processes are used to decrease the concentration of chemicals in an environment?
    • A. 

      Dilution

    • B. 

      Diffusion

    • C. 

      Dispersion

    • D. 

      Biodegrade

    • E. 

      Deposition

    • F. 

      Photolysis

    • G. 

      Phytoremediation

    • H. 

      PH level flux

  • 14. 
    Hydrolysis is used to break down substances using water AND can be used in biodegrading to get carbon for carbohydrates and proteins.THIS CAN BE USED IN OUR BODIES...
    • A. 

      True

    • B. 

      False

  • 15. 
    What are four ways that water moves through soil?
    • A. 

      Groundwater

    • B. 

      Evaporate

    • C. 

      Biodegrading

    • D. 

      Runoff

    • E. 

      Absorb

    • F. 

      Pores

    • G. 

      Rivers and streams

    • H. 

      Leachate

  • 16. 
    How can substances be transported into surface water?
    • A. 

      Precipitation, Condensation, Snow

    • B. 

      Air, Groundwater, Runoff, Outflow

    • C. 

      Precipitation, Groundwater, Rivers, Streams, and Lakes

  • 17. 
    Flow of water is better when substances are more dissolved or have higher concentration.
    • A. 

      True

    • B. 

      False

  • 18. 
    Which affect the rate of biodegration?
    • A. 

      Temperature

    • B. 

      Soil moisture

    • C. 

      PH levels

    • D. 

      Neutrality

    • E. 

      Nutrient Availability

    • F. 

      Amount of bacteria

    • G. 

      Oxygen

  • 19. 
    Do bioreactors affect the biodegration rate?
    • A. 

      True

    • B. 

      False

  • 20. 
    Planting vegetation will help biodegration because there will be a larger population of bacteria.
    • A. 

      True

    • B. 

      False

  • 21. 
    The previous two questions talk about more things that may affect biodegration rate....
    • A. 

      True

    • B. 

      False

  • 22. 
    Why are chlorofluorocarbons harmful?
    • A. 

      One bromine atom can remove 10,000 nitrogen atoms from the air we breath.

    • B. 

      They can destroy the greenhouse gases that keeps us warm.

    • C. 

      They can destroy the ozone layer because of the bromine and chlorine.

    • D. 

      They destroy the ozone layer because of the fluoride, carbon, and chlorine.

  • 23. 
    Choose the greenhouse gases.
    • A. 

      Thick ozone layer.

    • B. 

      Ground level ozones.

    • C. 

      Sulfur Dioxide.

    • D. 

      Carbon Monoxide.

    • E. 

      Hydrogen Sulfide.

    • F. 

      Nitrogen Dioxide.

  • 24. 
    The processes for hazardous household chemicals in order to be approved applies to mainly the [Blank] and contains information about the inte[Blank], physi[Blank] and [Blank] properties, and ing[Blank].
  • 25. 
    Relating to the previous question, information of  in[Blank], safety [Blank], health, environmental, and toxicity [Blank], and first [Blank] instructions.
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