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Air and water

  • Game Code: 1339641
  •  English    11     Public
    G9 review
  •   Study   Slideshow
  • What do we use to test for presence of water?
    anhydrous copper(II) sulfate
  •  10
  • If water is NOT present, does anhydrous copper sulfate change color?
    NO
  •  10
  • What color does anhydrous copper sulfate change to when water is present?
    white to blue
  •  10
  • What do you call the recirculation of water that takes place all over the Earth?
    water cycle
  •  10
  • What do you call the process of water vapor turning into liquid?
    condensation
  •  10
  • What is used to kill bacteria in drinking water?
    chlorine
  •  10
  • Where do we store the water that is circulated in households?
    reservoir
  •  10
  • TRUE or FALSE: Air is a mixture of gases
    true
  •  10
  • Give one source of air pollutants.
    burning wastes, burning coal for power, cars
  •  10
  • These are gases that absorb heat and makes the Earth hotter.
    greenhouse gases
  •  10
  • Give an example of greenhouse gases.
    carbon dioxide, methane and CFCs
  •  10
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