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प्रश्न
Fill in the blanks :
_______ and ______ are the most common air pollutants.
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उत्तर
NO2 and CO are the most common air pollutants.
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संबंधित प्रश्न
Complete and balance the following chemical equation.
\[\ce{HgO ->[heat]}\] ______ + _______
Classify Water. Also give a balanced equation to prepare it.
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
Explain the importance of nitrogen of the air for plant growth.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Name the following:
The component of air which does not support combustion.
Air is made up of oxygen only.
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
The Scottish chemist ______ discovered carbon dioxide is present in air.
Explain the following observations very briefly
An empty glass in fact is not empty.
