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प्रश्न
Who am I?
I am a mixture of gases.
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उत्तर
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संबंधित प्रश्न
Give one use for the following inert gase :
helium
Give one use for the following inert gase :
radon
Give one use for the following inert gase :
krypton
Give one use for the following inert gase :
xenon
Name the products formed when a candle burns in air.
Write down the composition of air.
Explain natural and human-made sources of air pollution.
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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Name two example for wind instruments.
