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WorksheetsAir Composition Done By Reeha and Vrisha
Total questions: 10
Worksheet time: 5mins
What are the main components of air?
neon
hydrogen
nitrogen, oxygen, argon, carbon dioxide
helium
Which gas makes up the majority of Earth's atmosphere?
Argon
Carbon dioxide
Nitrogen
Oxygen
What is the approximate percentage of oxygen in the air?
21%
10%
15%
30%
How does air pressure change with altitude?
Air pressure remains constant with altitude.
Air pressure increases with altitude.
Air pressure decreases with altitude.
Air pressure fluctuates randomly with altitude.
Explain the concept of diffusion in gases.
Diffusion in gases refers to the movement of gas molecules from an area of high concentration to an area of low concentration until equilibrium is reached.
Diffusion in gases is the movement of liquid molecules from an area of low concentration to an area of high concentration.
Diffusion in gases is the process of converting gas molecules into solid particles.
Diffusion in gases only occurs in solids, not in gases themselves.
What is the relationship between temperature and volume in gases?
Exponential relationship
Direct relationship
Inverse relationship
No relationship
Why do gases expand to fill their containers?
Gases expand to fill their containers due to the constant, random motion of their particles and the pressure they exert on the container walls.
Gases expand to fill their containers due to the color of the container
Gases expand to fill their containers because they are attracted to the container walls
Gases expand to fill their containers because they are solid particles
What is the difference between compressibility of gases and liquids?
Gases are highly compressible, while liquids are nearly incompressible.
Both gases and liquids are equally compressible.
Gases are incompressible, while liquids are compressible.
Liquids are more compressible than gases.
How does the density of a gas change with temperature?
Gas density decreases with increasing temperature.
Gas density remains constant with changing temperature.
Gas density increases with increasing temperature.
Gas density is not affected by temperature.
Describe the behavior of gases under high pressure.
Gases under high pressure become less dense
Gases under high pressure solidify
Gases under high pressure tend to occupy less volume and become more dense.
Gases under high pressure expand and occupy more volume
