Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
विकल्प
True
False
Advertisements
उत्तर
False
Explanation:
Air does occupy space.
APPEARS IN
संबंधित प्रश्न
Match the statements in Column A, with those in Column B.
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. | (a) Oxygen |
| 2. A gas used for filling weather observeation balloons. | (b) Carbonic acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphuric acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Give two uses of the following component present in air:
oxygen
Define the following:
Respiration
Give a brief account of the discovery of air and the scientists involved.
Describe a simple experiment with the help of a diagram to show that Air occupies space
Describe a simple experiment with the help of a diagram to show that Air is highly compressible
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
Mention two uses of air.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
