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Introduction to Water and the Water Cycle

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Introduction to Water and the Water Cycle

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Questions and Answers

What is the main purpose of the aeration process in water purification?

To add chlorine to water

To oxidize organic matter and germs (correct)

To kill harmful germs

To remove suspended impurities

What is the primary function of chlorination in the purification of water?

To oxidize organic matter

To kill harmful germs (correct)

To add oxygen to water

To remove suspended impurities

What is the outcome of the boiling process in water purification?

Oxidation of organic matter

Killing of germs (correct)

Removal of suspended impurities

Addition of bleaching powder

Why is it necessary to remove impurities from water before consumption?

Impurities can cause harm to health Signup and view all the answers

Which step is critical for the growth and maintenance of plants and animals?

Aeration Signup and view all the answers

What is the main role of water in sustaining life?

Providing moisture for plant and animal growth Signup and view all the answers

What percentage of total water is available for human consumption?

0.01% Signup and view all the answers

Which form of water is the most abundant on Earth?

Water vapors in the air Signup and view all the answers

What is the primary source of water for aquatic plants?

Dissolved gases in water Signup and view all the answers

Which process describes the cycle where water evaporates, condenses, and falls back to Earth as rain or snow?

Water cycle Signup and view all the answers

Why is it mentioned that water for human consumption should not contain any dissolved gases?

To ensure it remains fresh and pure Signup and view all the answers

What is potable water?

Water that is clear, colorless, odorless, and fit for human consumption Signup and view all the answers

Which process involves adding chemicals like alum to coagulate floating matter in water?

Loading Signup and view all the answers

What is one of the main requirements for potable water?

It should be clear, colorless, and odorless Signup and view all the answers

What is the purpose of filtration in water purification?

To pump water through sand and gravel beds to remove suspended matter Signup and view all the answers

How can natural water be made suitable for human consumption?

By removing impurities through filtration processes Signup and view all the answers

Why is it important for drinking water to be free of suspended impurities?

Because suspended impurities can harm human health Signup and view all the answers