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Environmental Chemistry II Water Multiple Choice Questions and Answers PDF Download eBook - 1

Practice Environmental chemistry ii water multiple choice questions and answers PDF, environmental chemistry ii water MCQ worksheets with answers key to solve 10th grade chemistry worksheet 1 for online courses. Practice "Properties of Water" MCQs, environmental chemistry ii water quiz questions and answers for online high school classes. Learn properties of water, water pollution, types of hardness of water test prep for distance learning.

"The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is" Multiple Choice Questions (MCQ) on environmental chemistry ii water with choices 0.043055556, 0.084027778, 0.125694444, and 0.167361111 for online high school classes. Solve properties of water quiz questions for school certificate programs for online courses.

Environmental Chemistry II Water MCQs Quiz 1 PDF Download eBook

MCQ: The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

  1. 0.084027778
  2. 0.043055556
  3. 0.125694444
  4. 0.167361111

A

MCQ: What is the fourth step of raw water treatment?

  1. sedimentation
  2. coagulation
  3. filtration
  4. chlorination

D

MCQ: The hardness that cannot be removed by boiling is called

  1. temporary hardness
  2. permanent hardness
  3. semi temporary hardness
  4. semi permanent hardness

B

MCQ: The density of water becomes maximum at

  1. 10 °C
  2. 4 °C
  3. 5 °C
  4. 12 °C

B

MCQ: Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called

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

C