Importance of Water Multiple Choice Questions and Answers 9 PDF Book Download

Importance of water MCQs, importance of water quiz answers 9 to learn elementary school science courses online. Water everywhere multiple choice questions (MCQs), importance of water quiz questions and answers for online elementary education degree. Distillation, saving water, sewage system, water treatment test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Distillation, saving water, sewage system, water treatment, with choices ocean, sea, river, and rain for online elementary education degree. Free science study guide for online learning water everywhere quiz questions to attempt multiple choice questions based test.

MCQ on Importance of Water Worksheets 9 PDF Book 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