Water Filtration

The correct order of water purification in water treatment plant are:

• filtration, coagulation, sedimentation, oxidation, chlorination and fluoridation

• filtration,oxidation, coagulation, sedimentation, filtration, chlorination and fluoridation

• Filtration, coagulation, sedimentation, filtration, chlorination and fluoridation

• Filtration,oxidation, coagulation, sedimentation, chlorination and fluoridation

Tags

NGSS.MS-PS1-2

People must have _______ to drink in order to survive.

• frozen water

• clean water

• contaminated water

• polluted water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The first step in water treatment plant is

• chlorination to kills microorganisms

• fluoridation to prevents tooth decay

• screening to removes large objects such as fish and twigs

• aeration to removes unpleasant odour

what is added during coagulation process in water treatment plant

• alum and slaked lime

• florida

• chlorine

• calcium carbonate

What is the purpose of chlorine?

• make water smell clean

• disinfect

• remove dissolved minerals

• make water clear

Used to separate suspended particles from a liquid

• Filtration

• Distillation

• Crystallisation

• Evaporation

What is the primary purpose of filtration in water treatment?

• To remove dissolved gases

• To remove suspended solids

• To add minerals

• To disinfect water

Which material is commonly used in sand filters for water filtration?

• Gravel

• Activated carbon

• Sand

• Clay

In a water filtration experiment, what is the role of activated carbon?

• To remove large particles

• To add nutrients

• To absorb impurities and odors

• To increase water hardness

Which of the following is a common method to test the effectiveness of a water filter?

• Measuring water pH

• Checking water color

• Testing for bacteria presence

• Assessing water temperature

Tags

NGSS.MS-PS1-2