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Ozone

oxygen is ava...

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oxygen is available in the atmosphere in the form of O2.but its in gaseous state and there are many molecules present in the atmosphere like that so why wont it doesnt combine to form 03 or 04 molecules

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Q. Assertion :The earth does not retain hydrogen molecules and helium atoms in its atmosphere, but does retain much heavier molecules, such as oxygen and nitrogen. Reason: Lighter molecules in the atmosphere have translational speed that its greater or closer to escape speed of earth.

Q. Assertion :The earth does not retain hydrogen molecules and helium atoms in its atmosphere, but dies retain much heavier molecules, such as oxygen and nitrogen. Reason: Lighter molecules in the atmosphere have translational speed that is greater or closer to escape speed of earth.

‘ X^{'}

is present in the atmosphere in the form of a diatomic gaseous molecule and in air, its proportion is

78 %

‘ X^{'}

Q. Complete the following passage(s) with an appropriate word/term to be filled in the blank spaces.
Troposphere, Stratosphere, Triatomic, Ozonosphere, Ozone shield, Diatomic, Ozone, Equator, Poles, Reactive.
Ozone is a __(1)__molecule made up of three atoms of oxygen,

O_{3}

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Q. Calculate the number of molecules present in 44.8 $$ of oxygen gas at 273 K and 2 atmosphere pressure.

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