17 Questions
What is the main purpose of the aeration process in water purification?
To oxidize organic matter and germs
What is the primary function of chlorination in the purification of water?
To kill harmful germs
What is the outcome of the boiling process in water purification?
Killing of germs
Why is it necessary to remove impurities from water before consumption?
Impurities can cause harm to health
Which step is critical for the growth and maintenance of plants and animals?
Aeration
What is the main role of water in sustaining life?
Providing moisture for plant and animal growth
What percentage of total water is available for human consumption?
0.01%
Which form of water is the most abundant on Earth?
Water vapors in the air
What is the primary source of water for aquatic plants?
Dissolved gases in water
Which process describes the cycle where water evaporates, condenses, and falls back to Earth as rain or snow?
Water cycle
Why is it mentioned that water for human consumption should not contain any dissolved gases?
To ensure it remains fresh and pure
What is potable water?
Water that is clear, colorless, odorless, and fit for human consumption
Which process involves adding chemicals like alum to coagulate floating matter in water?
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What is one of the main requirements for potable water?
It should be clear, colorless, and odorless
What is the purpose of filtration in water purification?
To pump water through sand and gravel beds to remove suspended matter
How can natural water be made suitable for human consumption?
By removing impurities through filtration processes
Why is it important for drinking water to be free of suspended impurities?
Because suspended impurities can harm human health
Explore the importance of water for life on Earth and how it plays a vital role in the water cycle. Learn about the abundance of water on Earth's surface, its presence in various forms, and its significance for all living organisms.
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