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प्रश्न
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
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उत्तर
Air has variable composition and hence there is more oxygen at lower altitudes than at higher altitudes.
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संबंधित प्रश्न
Fill in the blank:
_____________ discovered the oxygen gas.
Give two uses of the following component present in air:
nitrogen
State four steps to be taken to control air pollution.
Describe a simple experiment with the help of a diagram to show that Air occupies space
Name the following.
Gases that are harmful to the ozone layer
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
What should be done if the clothes of a person catch fire accidentally? Why?
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
