Applications of hard water Practice exercise 1

Course: Grade 9 Integrated science - Mixtures, Elements and Compounds - Water Hardness

Quiz Questions (12 questions)

Question 1
How does hard water assist in gardening? (1 mark)
Question 2
How does hard water benefit dental care? (1 mark)
Question 3
What role does hard water play in aquariums? (1 mark)
Question 4
Which mineral in hard water supports bone and teeth health? (1 mark)
Question 5
Why is hard water preferred in brewing and baking?  (1 mark)
Question 6
Why is hard water preferred in baking?  (1 mark)
Question 7
Explain how hard water can be beneficial despite its potential to cause scaling. (1 mark)
Question 8
How does hard water contribute to the preservation of teeth and bones?  (1 mark)
Question 9
In what way does hard water form a protective layer in plumbing systems? (1 mark)
Question 10
Why do some brewers and bakers prefer using hard water in their products?  (1 mark)
Question 11
Why do some brewers prefer using hard water in their products?  (1 mark)
Question 12
Why might aquarists choose hard water for certain fish species? (1 mark)

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