wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

[SC F2] 5.3 (B) Water Supply System

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

Removes large suspended particles such as tree branches and leaves

a)

Filtration

b)

Oxidation

c)

Coagulation

d)

Sendimentation

e)

Chlorination and fluoridation

2.

Increases oxygen content in the water to get rid of unpleasant smell and taste.

a)

Filtration

b)

Oxidation

c)

Coagulation

d)

Sendimentation

e)

Chlorination and fluoridation

3.

Suspended particles deposit at the bottom of the tank.

a)

Filtration

b)

Oxidation

c)

Coagulation

d)

Sendimentation

e)

Chlorination and fluoridation

4.

Chlorine is added to kill microorganisms in water. Sodium fluoride is added to prevent tooth decay.

a)

Filtration

b)

Oxidation

c)

Coagulation

d)

Sendimentation

e)

Chlorination and fluoridation

5.
People must have _______ to drink in order to survive.
a)
frozen water
b)
clean water
c)
contaminated water
d)
polluted water
6.

The first step in water treatment plant is

a)

chlorination to kills microorganisms

b)

fluoridation to prevents tooth decay

c)

screening to remove large objects such as fish and twigs

d)

aeration to removes unpleasant odour

7.

What is added during coagulation process in water treatment plant

a)

alum and slaked lime

b)

florida

c)

chlorine

d)

calcium carbonate

8.

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

a)

filtration, coagulation, sedimentation, oxidation, chlorination and fluoridation

b)

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

c)

Filtration, coagulation, sedimentation, filtration, chlorination and fluoridation

d)

Filtration,oxidation, coagulation, sedimentation, chlorination and fluoridation