Water Supply

What is the chemical formula of water?

• H2O

• CO2

• NaCl

• O2

Why is water considered a universal solvent?

• It is odorless

• It is colorless

• It can dissolve virtually everything

• It has no taste

Which is a quality of good drinkable water?

• Softness

• Yellow color

• Strong smell

• Identifiable taste

Which source of water includes streams, rivers, ponds, lakes, and sea?

• Underground water

• Pipe born water

• Rain water

• Surface water

What is the primary use of water in generating electricity?

• Agricultural use

• Transportation

• Hydroelectric power

• Domestic use

How can we keep our sources of water clean by avoiding pathogens?

• By covering wells

• By boiling the water

• By defecating inside the river

• By dumping refuse into the river

What is the recreational purpose of water?

• Fishing

• Irrigation

• Production

• Swimming

What are ways of keeping our sources of water clean?

• Filtration

• defecating in rivers

• Boiling the water

• Using chemicals for fishing

Which source of water is found below the Earth's surface?

• Underground water

• Pipe born water

• Rain water

• Surface water

What is the process of converting saltwater into freshwater called?

• Desalination

• Distillation

• Purification

• Filtration