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प्रश्न
Fill in the blank
The supporter of combustion in air is _____.
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उत्तर
The supporter of combustion in air is oxygen.
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संबंधित प्रश्न
Explain the importance of nitrogen of the air for plant growth.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
Give word equation for the following conversion:
Nitrogen dioxide to nitric acid
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
What is the source of oxygen gas in air?
Why is air considered as a mixture?
What happens if the percentage of carbon-dioxide increases in the air?
How do astronauts breathe when they go beyond the earth’s atmosphere?
Composition of the component of air ______ from place to place.
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
