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Environmental Chemistry II Water Questions and Answers 9 PDF Download eBook

Environmental chemistry ii water quiz questions and answers, environmental chemistry ii water trivia questions PDF to practice grade 10 chemistry test 9 for online learning. Practice "Waterborne Diseases" MCQs, environmental chemistry ii water quiz questions and answers for distance learning. Learn water pollution, soft and hard water, properties of water test prep for free online courses.

"The third step of sewage water treatment is called" Multiple Choice Questions (MCQ) on environmental chemistry ii water with choices secondary sewage treatment, primary sewage treatment, activated sludge treatment, and chlorination for distance learning. Free chemistry study guide for online learning waterborne diseases quiz questions for online education programs.

Environmental Chemistry II Water MCQs Quiz 9 PDF Download eBook

MCQ: The third step of sewage water treatment is called

  1. primary sewage treatment
  2. secondary sewage treatment
  3. activated sludge treatment
  4. chlorination

C

MCQ: Water that gives little lather is called

  1. hard water
  2. soft water
  3. dirty water
  4. clean water

B

MCQ: Water exists in how many different states on Earth?

  1. one
  2. two
  3. three
  4. four

C

MCQ: What is the percentage of water from oceans?

  1. 0
  2. 0.002
  3. 0.006
  4. 0.97

D

MCQ: The hardness which can be removed by boiling is called

  1. permanent hardness
  2. temporary hardness
  3. stiffness
  4. toughness

B