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Question
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
Fill in the Blanks
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Solution
78% of air: Does not support combustion:: 21% of air: Supports combustion
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Chapter 4: Air - Evaluation [Page 56]
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RELATED QUESTIONS
Give one use for the following inert gase :
neon
Give one use for the following inert gase :
krypton
Define the Weather.
State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.
Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.
Tick the object which gives out water vapour.
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Air is a ____.
Who am I?
I am a mixture of gases.
What is the mixture of air?
Marked temperature changes in the aquatic environment can affect
