Engineering Chemistry CHY1701: Module 1 Water Technology
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Questions and Answers

What is the most impure form of water?

  • Surface water
  • Sea water (correct)
  • Rain water
  • Underground water

    • Which source of water often contains dissolved gases like CO2, SO2, and NO2?

  • Surface water
  • Sea water
  • Underground water
  • Rain water (correct)

    • Which form of water can exist in the soil itself or between rocks and other materials?

  • Sea water
  • Rain water
  • Surface water
  • Underground water (correct)

    • Which type of water is often high in mineral content?

    <p>Underground water</p> Signup and view all the answers

    Which source of water is considered the most impure?

    <p>Sea water</p> Signup and view all the answers

    What is the main disadvantage of using hard water in industries?

    <p>Formation of scales and deposits</p> Signup and view all the answers

    What is the purest form of natural water?

    <p>Rain water</p> Signup and view all the answers

    What is the significance of TDS in water?

    <p>Measuring the total mineral content</p> Signup and view all the answers

    What is the most impure form of water?

    <p>Sea water</p> Signup and view all the answers

    Which type of water can contain dissolved gases like CO2, SO2, and NO2?

    <p>Rain water</p> Signup and view all the answers

    What is the main disadvantage of hard water in industries?

    <p>Formation of scale in machinery</p> Signup and view all the answers

    Which type of water can exist in the soil itself or between rocks and other materials?

    <p>Underground water</p> Signup and view all the answers

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