Practice Impurities in Water - 8.7 | 8. Water – A Precious Resource | ICSE 8 Chemistry
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Impurities in Water

8.7 - Impurities in Water

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are dissolved impurities? Provide two examples.

💡 Hint: Think of what you find in ocean water.

Question 2 Easy

Name one type of suspended impurity.

💡 Hint: What would you find in dirty river water?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following is an example of a dissolved impurity?

Sand
Sodium chloride
Mud

💡 Hint: Think about what you find dissolved in ocean water.

Question 2

True or False: Micro-organisms in water do not pose any health risks.

True
False

💡 Hint: What kind of diseases can you get from contaminated water?

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how the presence of both dissolved and suspended impurities could jointly affect the quality of drinking water in an urban area.

💡 Hint: Think about issues faced by cities with heavy industry related to water quality.

Challenge 2 Hard

Evaluate how treating water with high levels of both micro-organisms and suspended impurities would differ from treating water that's primarily contaminated with dissolved salts.

💡 Hint: Consider the methods you learned for purifying water.

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Reference links

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