Practice Purification Of Water (8.10) - Water – A Precious Resource

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8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is sedimentation?
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Think about how dirt settles in a glass of water.
Question 2.
What does boiling do to water?
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This is a common method used at home.
3Question 3.
What is the primary purpose of chlorination in water purification?
- To remove dirt
- To kill microorganisms
- To improve taste
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Remember chlorination is often used in swimming pools.
4Question 4.
True or False: Filtration can remove all types of impurities from water.
- True
- False
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Think about what types of things are filtered through coffee filters.
Question 5.
Design a water purification plan for a small village with limited resources. Indicate which methods you would choose and why.
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Consider the resources available to the village.
Question 6.
Evaluate the effectiveness of UV treatment compared to traditional boiling.
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Think about time and volume efficiency in boiling vs UV treatment.

4 more questions in this section. Enroll free to practise them all.