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प्रश्न
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
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उत्तर
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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 |
Write the chemical name of The white insoluble solid formed on the reaction of carbon dioxide with lime water.
How is air useful to water boats?
How is air useful to windmills?
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:
Nitrogen of the air is utilized by plants for formation of _____.
Name a device which uses wind energy to generate electricity.
