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प्रश्न
Define the term smog.
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उत्तर
Smog : Oxides of nitrogen form a mixture of smoke and fog known as smog which affects our eyes too.
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संबंधित प्रश्न
Briefly state the importance of Nitrogen.
Give a reason why nitrogen is filled in food packets and not oxygen.
Name three different appliances where air is utilized.
Name the following:
A process which removes carbon dioxide from the air.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
Why do we see the sky and air clear and clean after rainfall?
Composition of the component of air ______ from place to place.
The air in coastal areas have more oxygen.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
