Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Water Treatment Multiple Choice Questions (MCQ) PDF Download

The e-Book Water treatment Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Water Treatment MCQ PDF Book) to learn online 7th grade science certificate courses. Practice Importance of Water Multiple Choice Questions and Answers (MCQs), Water Treatment quiz answers PDF for online certificate programs. The Water Treatment MCQ App Download: Free learning app for safe and drinking water, fresh water, water treatment test prep for online elementary school.

The MCQ: Fluoride is also added to water, which helps in preventing; "Water Treatment" App Download (Free) with answers infection, sickness, fever and tooth decay for online certificate programs. Solve importance of water quiz questions, download Google eBook (Free Sample) for online degree programs.

Water Treatment MCQs: Questions and Answers PDF Download

MCQ 1: Fluoride is also added to water, which helps in preventing

A) infection
B) sickness
C) fever
D) tooth decay

MCQ 2: The tanks that supply water to towns are built at

A) roofs of buildings
B) high towers
C) town level
D) high lands

MCQ 3: An addition of small dose of chlorine gas to the filtered water is known as

A) coagulation
B) sedimentation
C) filtration
D) chlorination

MCQ 4: The process in which water is passed through filter beds of sand and gravel to remove smaller particles of dust is called

A) coagulation
B) sedimentation
C) filtration
D) chlorination

MCQ 5: Huge strainers are used to

A) force water to the treatment plant
B) increase the water pressure
C) filter large particles in the water
D) filter bacteria and other harmful organisms

Class 7 Science Practice Tests

Water Treatment Learning App & Free Study Apps

Download Water Treatment MCQs App to learn 7th Grade Science MCQs, 8th Grade Science MCQ App, and 6th Grade Science MCQ App with answers. The free "Water Treatment MCQs" App (Android & iOS) includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

Water Treatment App (Android & iOS)

Water Treatment App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)