WorksheetsSCIENCE FORM 1 7.1 COMPOSITION OF AIR
Total questions: 14
Worksheet time: 7mins
Which of the following is NOT the composition of air?
Microorganism
Argon
Ammonia
Nitrogen
Which of the component have 21% in the air?
Oxygen
Nitrogen
Carbon dioxide
Inert gas and others
Which of the following statement is TRUE
Air is an element
Argon, neon,helium,krypton andxenon are examples of inert gases
The air does not consist dusts and microorganisms
The gas is use for photosynthesis
Oxygen
Carbon dioxide
Nitrogen
Inert gas
The gas is importance for RESPIRATION and COMBUSTION
Inert gas
Nitrogen
Oxygen
Carbon dioxide
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
To produce nitric acid and ammonia
Nitrogen
Neon
Carbon dioxide
Oxygen
Used in advertisement lighting
Nirogen
Neon
Carbon dioxide
Oxygen
To produce carbonated drinks
Nitrogen
Carbon dioxide
Oxygen
For welding and cutting metal
Nitrogen
Carbon dioxide
Oxygen
When animals and plants die, they decay and released (a) to the atmosphere
Carbon Cycle is a cycle that maintains the (a) in the atmosphere
Mark for steps that can be taken to prevent the distruption to the oxygen and carbon cycle
Reduce the burning of fuels
Encourage deforestation
Plants more trees
Use leaded petrol
