What happens when water contains 8-20 ppm of fluoride concentration?

Related MCQs

• One cubic metre of bone can treat how much quantity of water containing 3.5 ppm of fluoride?
• The fluoride concentration for prevention of dental caries is ____________
• In which process, the fluoride content of water is raised?
• The process of reducing the fluoride content from water is called _____
• Which of the following is not used as a fluoride compound?
• What is the monthly concentration of solids produced by secondary sewage effluent?
• What is the average ozone concentration created during Ozonation?
• The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution.
• In which process of water softening, the chemicals are added to remove hardness from water?
• The propulsion of water into steam drum by extremely rapid, almost explosive boiling of water at the heating surface is called ___________