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Environmental Chemistry II Water MCQ with Answers PDF Download eBook - 2

Learn Environmental chemistry ii water MCQ with answers PDF, environmental chemistry ii water quiz worksheets with answers key to solve grade 10 10th grade chemistry worksheet 2 for online classes. Practice Types of Hardness of Water Multiple Choice Questions and Answers (MCQs), environmental chemistry ii water quiz questions and answers for online degree programs. Learn properties of water, water pollution, types of hardness of water test prep for online degrees.

"What percentage of fresh water is available to man?" Multiple Choice Questions (MCQ) on environmental chemistry ii water with choices 0.02, 0.2, 0.002, and 0.0002 for online degree programs. Solve types of hardness of water quiz questions for school certificate programs for online degree programs.

Environmental Chemistry II Water MCQs Quiz 2 PDF Download eBook

MCQ: What percentage of fresh water is available to man?

  1. 0.2
  2. 0.02
  3. 0.002
  4. 0.0002

C

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

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

B

MCQ: What is the percentage of water from rivers and lakes?

  1. 0
  2. 0.002
  3. 0.006
  4. 0.021

B

MCQ: Permanent hardness of water is caused due to the presence of dissolved

  1. calcium hydrogen carbonates
  2. magnesium hydrogen carbonates
  3. chlorides of magnesium
  4. Sulphates of magnesium

D

MCQ: Step of sewage water treatment in which there are some aeration and organic material is converted to inorganic materials is called

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

B