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Practice Questions
Test your understanding with targeted questions related to the topic.
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?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
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?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation