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प्रश्न
The two forms of oxygen found in the atmosphere are
विकल्प
water and ozone
water and oxygen
ozone and oxygen
water and carbon-dioxide
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उत्तर
ozone and oxygen
Explanation:
Oxygen is found in the atmosphere in two forms, as diatomic molecule (O2) and as triatomic ozone (O3). Normally elemental oxygen is found in the form of a diatomic molecule in the atmosphere. Ozone is not stable near the earth’s surface and is present 18¬50 km above in the atmosphere (stratosphere) as a thick blanket called ozonosphere or ozone shield.
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संबंधित प्रश्न
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The rate at which the temperature drops in the ____________ is 1°C per 165 metres.
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The _________________ is the layer of the atmosphere that help in radio transmission.
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21 per cent of the atmosphere is composed of
Name the four layers of the atmosphere.
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Write the significance of the following gases.
Oxygen __________________
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World Meteorological Day.
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