Form 1 Composition of Air

Which of the following gases has the highest atmospheric composition within the Earth's Atmosphere?

• Oxygen at 78%
• Nitrogen at 78%
• Carbon Dioxide 78%
• Methane 78%

Which of the following gases is not part of the earth's atmosphere?

• Nitrogen
• Oxygen
• Argon
• Copper Sulfate

Plants use ________________ for photosynthesis.

• Chlorine

• Nitrogen

• Carbon dioxide

______________ is a combustible gas.

• Nitrogen

• Oxygen

• Argon

Which of the component have 21% in the air?

• Oxygen

• Nitrogen

• Carbon dioxide

• Inert gas and others

The gas is used to fill hot air balloons and weather balloons

• Argon

• Helium

• Neon

the gas is used to fill the light bulb

• Helium

• Neon

• Argon

Used in advertisement lighting

• Nirogen

• Neon

• Carbon dioxide

• Oxygen

Which show gases in atmosphere from MOST abundant to least?

• Oxygen, Nitrogen, water vapor, CO_2,

• nitrogen, oxygen, water vapor, CO₂

• CO₂, Oxygen, Nitrogen, water vapor

• water vapor, CO_2,, Oxygen, Nitrogen

Trees take ____ gas from surrounding

• Oxygen

• Carbon dioxide