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प्रश्न
What are the components of air?
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उत्तर
Components of air are
- Nitrogen
- Argon
- Carbon dioxide
- Other gases
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संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
During thunder and lightning, nitrogen and oxygen combine to form nitrogen dioxide gas.
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
State the utility of oxygen for respiration in plants
______ gas is given to the patients having breathing problems.
How to show the presence of carbon-di-oxide in the air?
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?
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
A weather cock shows the ______ in which the air is moving at that place.
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
Explain the following observations very briefly
An empty glass in fact is not empty.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
