Environmental Chemistry II Water Multiple Choice Questions and Answers 1 PDF Download

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Chemistry multiple choice questions (MCQ): ratio of hydrogen (h) and oxygen (o) in water molecule by volume is with options 1: 2, 2: 1, 3: 1 and 4: 1, properties of water quiz with questions to ask in an interview in teachers jobs interview of high school teachers. Free chemistry study guide to learn properties of water quiz to attempt multiple choice questions based test.

MCQs on Environmental Chemistry II Water Quiz PDF Download Worksheets 1

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

  1. 2: 1
  2. 1: 2
  3. 3: 1
  4. 4: 1


MCQ: What is fourth step of raw water treatment?

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


MCQ: Hardness that cannot be removed by boiling is called

  1. Temporary hardness
  2. Permanent hardness
  3. Both A and B
  4. None of these


MCQ: Density of water becomes maximum at

  1. 10°C
  2. 4°C
  3. 5°C
  4. 12°C


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