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

Environmental chemistry ii water Multiple Choice Questions and Answers (MCQs), environmental chemistry ii water quiz answers pdf, test prep 1 to study high school chemistry for online degree 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 (MCQs) on environmental chemistry ii water with choices 0.0430555555555556, 0.0840277777777778, 0.125694444444444, and 0.167361111111111 for online high school classes. Free chemistry study guide for online learning properties of water quiz questions for online courses.

Environmental Chemistry II Water MCQs Quiz 1 PDF eBook Download

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

  1. 0.0840277777777778
  2. 0.0430555555555556
  3. 0.125694444444444
  4. 0.167361111111111

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