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

Environmental chemistry ii water Multiple Choice Questions (MCQs), environmental chemistry ii water quiz answers, test prep 1 to learn high school chemistry for online certificate programs. Properties of water MCQs, environmental chemistry ii water quiz questions and answers for online high school classes. Learn properties of water, water pollution, types of hardness of water test prep for distance learning.

Learn chemistry MCQs: ratio of hydrogen (h) and oxygen (o) in water molecule by volume is, with choices 1:02, 2:01, 3:01, and 4:01 for online high school classes. Free chemistry study guide for online learning properties of water quiz questions for online courses.

Environmental Chemistry II Water MCQs Quiz 1 PDF Online Download

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

  1. 2:01
  2. 1:02
  3. 3:01
  4. 4:01

A

MCQ: What is fourth step of raw water treatment?

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

D

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

B

MCQ: Density of water becomes maximum at

  1. 10°C
  2. 4°C
  3. 5°C
  4. 12°C

B

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

C