Class 10 Courses

Chapter 7: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 7

Environmental Chemistry II Water Multiple Choice Questions (MCQs) PDF Download - 1

The Environmental chemistry ii water Multiple Choice Questions (MCQs) with Answers PDF (environmental chemistry ii water MCQs PDF Download) e-Book Ch. 7-1 to study Grade 10 Chemistry Course. Learn Environmental Chemistry II Water Quiz Questions and Answers to study distance learning courses. The Environmental Chemistry II Water MCQs App Download: Free learning app for properties of water, water pollution, types of hardness of water test prep for distance learning.

The Multiple Choice Question (MCQ Quiz): Ratio of hydrogen (H) and oxygen (O) in water molecule by volume is; "Environmental Chemistry II Water" App Download (Free) with answers: 0.043055556; 0.084027778; 0.125694444; 0.167361111; to study distance learning courses. Solve Properties of Water MCQ Questions, download Google eBook (Free Sample) for online courses.

Environmental Chemistry II Water Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

  1. 0.084027778
  2. 0.043055556
  3. 0.125694444
  4. 0.167361111

MCQ 2: What is the fourth step of raw water treatment?

  1. sedimentation
  2. coagulation
  3. filtration
  4. chlorination

MCQ 3: The hardness that cannot be removed by boiling is called

  1. temporary hardness
  2. permanent hardness
  3. semi temporary hardness
  4. semi permanent hardness

MCQ 4: The density of water becomes maximum at

  1. 10 °C
  2. 4 °C
  3. 5 °C
  4. 12 °C

MCQ 5: 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

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Environmental Chemistry II Water App (Android & iOS)

Environmental Chemistry II Water App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)