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प्रश्न
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
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उत्तर
Plants and animals maintain the balance of carbon dioxide and oxygen in the air.
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Describe a simple experiment to show that l/5th of air is oxygen.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
Name three different appliances where air is utilized.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Air is a mixture of many _______.
Inhaled air contains a large amount of carbon-di-oxide.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
