Importance of Water Multiple Choice Questions 9 PDF Download

Practice importance of water MCQs, grade 7 online science test 9, distillation multiple choice questions and answers. Distillation revision test has science worksheets, helping answer key with choices as reserves of water, reserves of natural gas, reserves of oil and reserves of coal of multiple choice questions (MCQ) with distillation quiz as for desalination plant, first priority is for competitive exam prep, viva interview questions. Free science study guide to practice distillation quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Quiz PDF Download Worksheets 9

MCQ. For desalination plant, the first priority is

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

C

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

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

D

MCQ. For drinking, distilled water is

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

B

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

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

A

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

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

B