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

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Learn high school chemistry multiple choice questions (MCQs): water that gives little lather is called, with choices soft water, hard water, dirty water, and clean water for online school degrees. Free chemistry study guide for online learning waterborne diseases quiz questions to attempt multiple choice questions based test.

MCQ on Environmental Chemistry II Water Worksheets 9 PDF Book Download

MCQ: 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 percentage of water from oceans?

  1. 0.00%
  2. 0.20%
  3. 0.60%
  4. 97.00%


MCQ: Hardness which can be removed by boiling is called

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