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Environmental Chemistry II Water Multiple Choice Questions and Answers PDF Download eBook - 9

Practice Environmental chemistry ii water multiple choice questions and answers PDF, environmental chemistry ii water MCQ worksheets with answers key to solve grade 10 10th grade chemistry worksheet 9 for online courses. 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. Solve waterborne diseases quiz questions for school certificate programs 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


MCQ: Water that gives little lather is called

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


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

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


MCQ: What is the percentage of water from oceans?

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


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

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