Water Purification Quiz
Authored by Kristy Conradie
Other
4th Grade
Used 10+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the goal of water purification?
To add undesirable chemicals to water
To make water colorful
To produce water fit for specific purposes
To increase the concentration of contaminants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is NOT used in water purification?
Chlorination
Distillation
Filtration
Boiling
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of pre-treatment in water purification?
To make water unsafe to drink
To reduce the quality of water
To remove unwanted constituents in the water
To add contaminants to water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of flocculation in water purification?
To remove turbidity or color from water
To make water colorful
To increase the concentration of suspended particles
To add more contaminants to water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of sedimentation in water purification?
To remove floc by allowing it to settle to the bottom
To increase the concentration of floc
To add more suspended particles to water
To make water acidic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of filtration in water purification?
To add more contaminants to water
To decrease the pH of water
To remove remaining suspended particles and unsettled floc
To increase the turbidity of water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of distilled water?
5
9
7
11
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