30 Questions
Which gas is used to fill balloons and airships?
Helium
Which gas is used to produce a fog effect on stages?
Carbon dioxide
Which gas is used to fill light bulbs?
Argon
Which gas is used for storing living cells and tissues?
Liquid nitrogen
Which gas is used to put out fires in fire extinguishers?
Carbon dioxide
Which gas is used in cutting metals in industry?
Oxygen
Which gas is used to prevent food from going bad in some food packages?
Nitrogen
Which gas is used in advertising lights?
Neon
Which gas does not support burning and is denser than air?
Carbon dioxide
Which gas is used to help with breathing difficulties?
Oxygen
Which gas causes a burning splint to burn more brightly?
Oxygen
What happens to the glowing splint when placed in a test tube of oxygen?
It goes out
What happens to the hydrogencarbonate indicator when added to a test tube of carbon dioxide?
It turns from red to yellow
What happens to the limewater when added to a test tube of carbon dioxide?
It turns from colorless to milky
What color does dry cobalt chloride paper turn when exposed to water?
Pink
What happens to the color of the cobalt chloride paper when it is placed above a beaker of hot water?
It turns blue
Which gases do not have simple tests for identification?
Nitrogen and noble gases
What is the purpose of the gas lighter in the experiment?
To light the wooden splint
What is the purpose of the hydrogencarbonate indicator in the experiment?
To test for carbon dioxide
What is the purpose of the limewater in the experiment?
To test for carbon dioxide
Which of the following correctly describes why there are no living things found on the Moon?
The Moon does not have a layer of air like the Earth does.
Which of the following correctly describes what air is made up of?
Air is made up of nitrogen, oxygen, carbon dioxide, noble gases, water vapor, and small amounts of other gases.
Who discovered oxygen and what experiments did they do that led to the discovery?
Joseph Priestley, who discovered oxygen through experiments involving plants and animals.
Which of the following gases is NOT found in air according to the information provided?
Argon
How can we test for the presence of gases such as oxygen, carbon dioxide, and water vapor?
By studying their color, smell, and ability to react with other chemicals
Which of the following gases is the most abundant in air?
Nitrogen
Which of the following is NOT a property used to test gases?
Density
What is the main difference between the Earth and the Moon when it comes to the presence of living things?
The Earth has a layer of air while the Moon does not.
What is the Moon made of?
Rock and dust
Which of the following correctly describes the composition of air?
Air is primarily made up of nitrogen.
Can you explain why there are no living things on the Moon? Test your knowledge on the differences between Earth and the Moon and discover the major components of air that make life possible on our planet. Take the quiz now!
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