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- 1. Multiple Choice
People must have _______ to drink in order to survive.frozen waterclean watercontaminated waterpolluted water - 2. Multiple Choice
Which of the following is the best way to purify water?
Add salt
Put inside the refrigerator
Filtration
Find a very clean stream of water
- 3. Multiple Choice
Can sand pass through filter paper?
Yes
No
- 4. Multiple Choice
Which of these particles is NOT able to pass through a sand, gravel, and charcoal filter?
bacteria
water
viruses
large piece of dirt
- 5. Multiple Choice
During the purification process, filtration separates the
Microorganisms
Suspended particles
Dissolved substances
- 6. Multiple Choice
What does chlorination do to the water?
Removes microorganisms
Removes suspended particles
Removes dissolved substances
- 7. Multiple Choice
Which of the following is the best method of obtaining pure water from seawater?
Filtration
Boiling
Distillation
Chlorination
- 8. Multiple Choice
Which of the following water purification method(s) can remove suspended particles?
(1) Boiling
(2) Filtration
(3) Distillation
(4) Chlorination
A. (2) and (4)only
B. (1) and (2) only
C. (2) and (3) only
D. (2) , (3) and (4) only
- 9. Multiple Choice
Which of the following water purification method(s) can remove dissolved substances?
(1) Boiling
(2) Filtration
(3) Distillation
(4) Chlorination
A. (3) only
B. (1) and (4) only
C. (2) and (4) only
D. (1), (2) and (3)
- 10. Multiple Choice
Which of the following water purification method(s) can remove microorganisms?
(1) Boiling
(2) Filtration
(3) Distillation
(4) Chlorination
A. (2) and (3) only
B. (3) and (4)only
C. (1) and (3) only
D. (1), (3) and (4)
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