Importance of Water Multiple Choice Questions and Answers 13 PDF Book Download

Importance of water MCQs, importance of water quiz answers 13 to learn elementary school science courses online. Safe and drinking water multiple choice questions (MCQs), importance of water quiz questions and answers for online elementary education degree. Sewage system, distillation, safe and drinking water, saving water test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Sewage system, distillation, safe and drinking water, saving water, with choices cold water to hot water, hot water to cold water, tasteless water to salty water, and salty water to tasteless water for online elementary education degree. Free science study guide for online learning safe and drinking water quiz questions to attempt multiple choice questions based test.

MCQ on Importance of Water Worksheets 13 PDF Book Download

MCQ: In sewage treatment plants, large material is removed by

  1. metal screen
  2. grit tank
  3. sludge tank
  4. filter bed

A

MCQ: Desalination plants are used to convert

  1. hot water to cold water
  2. cold water to hot water
  3. tasteless water to salty water
  4. salty water to tasteless water

D

MCQ: Population which does not have tap water in their homes, is

  1. two-third of the world population
  2. one-third of the world population
  3. half of the world population
  4. quarter of the world population

A

MCQ: Water can be kept clean by detergents, if they are

  1. not poisonous
  2. odorless
  3. biodegradable
  4. non biodegradable

C

MCQ: 'Distillation' can also be used to treat

  1. fresh water
  2. sewage water
  3. polluted water
  4. rain water

C