Water Pollution 2 - JSS1 Physical and Health Education Past Questions and Answers - page 2
11
What is the primary purpose of water purification?
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A
To make water dirty
B
To make water unsafe for use
C
To make water clean and safe for use
D
To turn water into ice
12
Which method involves passing water through a physical barrier?
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A
Chemical Treatment
B
Distillation
C
Filtration
D
UV Disinfection
13
What is the main benefit of UV disinfection?
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A
Removing sediments from water
B
Killing microorganisms in water
C
Adding nutrients to water
D
Making water colder
14
Can you name one method used for water purification?
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15
How does filtration help in purifying water?
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16
What are some common chemicals used in water purification?
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