Water Quiz Questions

1. Which of the following is the chemical formula for water?

A NaOH B H2O C NaCl D CO2

2. Which of the following is the solid state of water?

A Ice B Liquid C Salt water D Vapor

3. Which of the following is the gaseous state of water?

A Vapor B Ice C Liquid D Salt water

4. Around how much of the Earth's surface is covered with water?

A 40% B 20% C 5% D 70%

5. What is 'potable' water?

A Salt water from the oceans B Water that has been polluted C Water that is drinkable D Water that is frozen in glaciers

6. True or False: Water is only found on Earth because Hydrogen and Oxygen are rarely found outside the Earth's atmosphere.

A FALSE B TRUE

7. Which of the following is a way that water is used by humans?

A To grow food B To create energy C All of the Above D To wash clothes

8. Through what action do most people use the most water each day?

A Taking a shower B Washing clothes C Brushing their teeth D Flushing the toilet

9. True or False: Pure water usually has a very sweet taste when all the impurities are removed.

A FALSE B TRUE

10. What elements make up water?

A Carbon and Hydrogen B Hydrogen and Oxygen C Helium and Oxygen D Sodium and Chlorine