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Importance of Water MCQs App Download | Class 7 Science PDF e-Book

Class 7 Science MCQs: Chapter 13

Importance of Water Multiple Choice Questions (MCQs) PDF Download - 9

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The Importance of water Multiple Choice Questions (MCQs) with Answers PDF (Importance of Water MCQs PDF e-Book) download Ch. 13-9 to study Class 7 Science Course. Learn Importance of Water Quiz Questions and Answers to learn online certificate courses. The Importance of Water MCQs App Download: Free Class 7 Science Study [Free] App for distillation, saving water, sewage system, water treatment test prep for online school courses.

The MCQ: For desalination plant, the first priority is "Importance of Water" App Download [Free] with answers: reserves of water, reserves of natural gas, reserves of oil, and reserves of coal to learn online certificate courses. Solve Distillation MCQ Questions, download Google eBook (Free Sample) for online education.

Importance of Water MCQs with Answers PDF Download: Quiz 9

MCQ: 41

For desalination plant, the first priority is

  1. reserves of natural gas
  2. reserves of water
  3. reserves of oil
  4. reserves of coal
MCQ: 42

Whether we obtain tap water or water from well, it originally comes from

  1. sea
  2. ocean
  3. river
  4. rain
MCQ: 43

For drinking, distilled water is

  1. suitable
  2. not suitable
  3. poisonous
  4. not preferable
MCQ: 44

In country area, untreated sewage is pumped into tanks known as

  1. septic tanks
  2. sewage tanks
  3. grit tanks
  4. sludge tanks
MCQ: 45

The removal of particles settled at the bottom of a tank is called

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

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Importance of Water MCQ App (iOS & Android)

Importance of Water MCQ App

Importance of Water MCQ App (Android & iOS)

7th Grade Science MCQ App

6th Grade Science MCQs App (Android & iOS)

6th Grade Science MCQs App

Earth Science MCQs App (iOS & Android)

Earth Science MCQs App