Grade 7 Science MCQ - Topics
Water Treatment MCQ Quiz PDF Download
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"Fluoride is also added to water, which helps in preventing" Multiple Choice Questions (MCQ) on water treatment App APK with infection, sickness, fever, and tooth decay choices for online school and college. Learn importance of water quiz questions for online certificate programs for online degree programs.
MCQs on Water Treatment
MCQ: Fluoride is also added to water, which helps in preventing
MCQ: The tanks that supply water to towns are built at
MCQ: An addition of small dose of chlorine gas to the filtered water is known as
MCQ: The process in which water is passed through filter beds of sand and gravel to remove smaller particles of dust is called
MCQ: Huge strainers are used to
