Importance of Water Multiple Choice Questions 9 PDF Download

Learn importance of water MCQs, grade 7 science test 9 for learning online courses and test prep, distillation multiple choice questions and answers. Distillation revision test includes science worksheets to learn for class 7 science practice tests.

Science multiple choice questions (MCQ) on for desalination plant, first priority is with choices reserves of water, reserves of natural gas, reserves of oil and reserves of coal, distillation quiz for competitive exam prep, summative and formative assessment interview questions with answers key. Free science study guide to learn distillation quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Quiz PDF Download Worksheets 9

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