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प्रश्न
Name the following:
The component of air which does not support combustion.
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उत्तर
Nitrogen
संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
What do you understand by the term polluted air?
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
How will you prove that air supports burning?
The Scottish chemist ______ discovered carbon dioxide is present in air.
Which gas is essential for burning?
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 |
How to show the presence of carbon-di-oxide in the air?
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
