EASY
8th Chhattisgarh Board
IMPORTANT
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Which gas has highest percentage in air?

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Important Questions on Air

MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 1
Nitrogen is used in the storage of food items because-
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 1
Unit measure of atmospheric pressure is equal to the column of mercury pressure of-
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 1
Oxygen gas as compared to water is-
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 1
The cause of heating up our atmosphere is-
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 2
_____ gas helps in burning.
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 2
Of a nitrogen-rich fertiliser_____is the main source.
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 2
The atmospheric pressure_____ on going upwards from the earth surface.
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 3 - Air>QUESTIONS FOR PRACTICE>Q 2
Oxygen is _____ in water.