5.3 Water Purification and Water Supply

The diagram shows the apparatus for separating soil and water. What are the labelled parts?

• A = distillate, B = filtrate
• A = filtrate, B = residue
• A = residue, B = filtrate
• A = residue, B = distillate

What does chlorination do to the water?

• Removes microorganisms
• Cleans the water
• Makes the water taste nice
• Removes twigs and sediment

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Used to separate an insoluble solid from liquid or soluble solid

• Filtration

• Distillation

• Crystallisation

• Evaporation

Used to separate liquid from a solution

• Filtration

• Sublimation

• Distillation

• Fractional distillation

Which one of the following solids is insoluble in water?

• sugar

• copper sulfate

• sand

• salt

A Leibeg condenser is used in

• filtration

• evaporation

• chromatography

• distillation

In filtration, the clear liquid which passes through the filter paper is called

• filter paper

• filtrate

• filter

• filtration

Which of these particles is NOT able to pass through a sand, gravel, and charcoal filter?

• bacteria

• water

• viruses

• large piece of dirt

Tags

NGSS.MS-PS1-2

What is the flow of water in 6 and 7?

• 6: water in; 7: water out

• 6: water out; 7: water in

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is the best method of obtaining pure water form seawater?

• Separating funnel

• Chromatography

• Simple dilstillation

• Filtration