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

Learn environmental chemistry ii water MCQs, grade 10 chemistry test 9 for online learning courses and test prep. Water pollution multiple choice questions (MCQs), environmental chemistry ii water quiz questions and answers include chemistry worksheets for online chemistry review courses distance learning.

Chemistry multiple choice questions (MCQ): third step of sewage water treatment is called with options secondary sewage treatment, primary sewage treatment, activated sludge treatment and chlorination, water pollution quiz with online chemistry quizzes for class 10 chemistry practice student guide for high school students education. Free chemistry study guide to learn water pollution quiz to attempt multiple choice questions based test.

MCQs on Environmental Chemistry II Water Worksheets 9 Quiz PDF 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. 0.001%
  2. 0.2%
  3. 0.6%
  4. 97.0%


MCQ: Hardness which can be removed by boiling is called

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