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Prepared by: learnloophq@gmail.com

Last edited 25 days ago by Learn LoopHQ.

Chapter: 05. Water

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Why is distilled water not considered good for drinking?

What is a drought and what is one of its effects?

Name two common water pollutants from homes and industries.

How does boiling help in water purification?

What percentage of the Earth’s surface is covered with water?

How does heating affect the dissolving of a substance in water?

What is a flood and what is one of its effects?

List two ways water is useful for plants.

What is the role of carbon aerogel in controlling pollution?

Name the three states in which water can exist.

How is underground water obtained for use?

Why is water called a universal solvent?

How does the water cycle help maintain water on land?

Why is saline water not suitable for plant growth?

Name two methods of irrigation that conserve water.

Mention two non-domestic uses of water, besides agriculture and electricity production.

What is the primary source of water in rivers and lakes?

What are two characteristics of potable water regarding its appearance?

What is the main difference between dew and frost?

What two elements combine to form water?

What is the main difference between a solute and a solvent?

Why does ice float on water?

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