Chemistry: Water
Test Quiz
1. Which of the following is the chemical formula for water?
a. NaCl
b. H2O
c. CO2
d. NaOH
e. W
2. Which of the following is the solid state of water?
a. Ice
b. Liquid
c. Salt water
d. Vapor
e. None of the Above
3. Which of the following is the gaseous state of water?
a. Ice
b. Liquid
c. Salt water
d. Vapor
e. None of the Above
4. Around how much of the Earth's surface is covered with water?
a. 5%
b. 20%
c. 40%
d. 55%
e. 70%
5. What is 'potable' water?
a. Water that has been polluted
b. Water that is frozen in glaciers
c. Water that is drinkable
d. Salt water from the oceans
e. Water contaminated with deadly bacteria
6. True or False: Water is only found on Earth because Hydrogen and Oxygen are rarely found outside the Earth's atmosphere.
a. TRUE
b. FALSE
c.
d.
e.
7. Which of the following is a way that water is used by humans?
a. To create energy
b. To grow food
c. To wash clothes
d. To put out fires
e. All of the Above
8. Through what action do most people use the most water each day?
a. Brushing their teeth
b. Washing clothes
c. Taking a shower
d. Flushing the toilet
e. Washing dishes
9. True or False: Pure water usually has a very sweet taste when all the impurities are removed.
a. TRUE
b. FALSE
c.
d.
e.
10. What elements make up water?
a. Hydrogen and Oxygen
b. Sodium and Chlorine
c. Carbon and Hydrogen
d. Helium and Oxygen
e. Hydrogen and Nitrogen
About this quiz: All the questions on this quiz are based on information that can be found on the Chemistry: Water page at www.ducksters.com/science/water.php.
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