Environmental Chemistry II Water Multiple Choice Questions and Answers 2 PDF Book Download

Environmental chemistry ii water MCQs, environmental chemistry ii water quiz answers 2 to learn high school online courses. Types of hardness of water multiple choice questions (MCQs), environmental chemistry ii water quiz questions and answers for for online school degrees. Properties of water, water pollution, types of hardness of water test for high school teacher certification.

Learn high school chemistry multiple choice questions (MCQs): what is second step of raw water treatment, with choices coagulation, sedimentation, filtration, and chlorination for online school degrees. Free chemistry study guide for online learning types of hardness of water quiz questions to attempt multiple choice questions based test.

MCQ on Environmental Chemistry II Water Worksheets 2 PDF Book Download

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

  1. 20%
  2. 2%
  3. 0.20%
  4. None of these

C

MCQ: What is second step of raw water treatment?

  1. Sedimentation
  2. Coagulation
  3. Filtration
  4. Chlorination

B

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

  1. 0.00%
  2. 0.20%
  3. 0.60%
  4. 2.10%

B

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

  1. Calcium hydrogen carbonates
  2. Magnesium hydrogen carbonates
  3. Both A and B
  4. Sulphates and chlorides of calcium or magnesium

D

MCQ: Step of sewage water treatment in which there is 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