Importance of Water Multiple Choice Questions and Answers 9 PDF Download

Importance of water multiple choice questions (MCQs), importance of water test prep 9 to learn online elementary school courses, distance learning for exam prep. Practice distillation multiple choice questions (MCQs), importance of water quiz questions and answers for science class for class 7 science practice tests.

Study elementary school science multiple choice questions (MCQs): for desalination plant, first priority is, for online elementary education degree with options reserves of water, reserves of natural gas, reserves of oil, and reserves of coal, distillation quiz with online teaching resources for teachers on net tutoring with science practice. Free science study guide for online learning distillation quiz questions to attempt multiple choice questions based test.

MCQ on Importance of Water Worksheets 9 Quiz PDF Download

MCQ: For desalination plant, first priority is

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


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

  1. sea
  2. ocean
  3. river
  4. rain


MCQ: For drinking, distilled water is

  1. suitable
  2. not suitable
  3. poisonous
  4. not preferable


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

  1. septic tanks
  2. sewage tanks
  3. grit tanks
  4. sludge tanks


MCQ: Removal of particles settled at bottom of a tank is called

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