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प्रश्न
Why is it said that-
Air is a homogeneous mixture of various gases.
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उत्तर
In the case of air, the majority of it contains nitrogen and oxygen. These gases cannot be readily differentiated from one another, and the air has a uniform composition of these gases throughout. Hence it is a homogenous mixture of various gases.
संबंधित प्रश्न
What is wind?
Give two uses of the following component present in air:
water vapour
Name two air pollutants which cause global warming.
Name the following.
Gases that are harmful to the ozone layer
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
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% |
About 78% of the volume of air is ______.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
