Advertisements
Advertisements
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 |
Advertisements
उत्तर
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. | (e) Nitrogen |
| 2. A gas used for filling weather observeation balloons. | (d) Helium |
| 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. | (b) Carbonic acid |
| 5. A gas vital for respiration. | (a) Oxygen |
APPEARS IN
संबंधित प्रश्न
Give two uses of the following component present in air:
oxygen
Give two uses of the following component present in air:
carbon dioxide
Mention five causes of air pollution.
State what do you understand by the term ‘air’. Explain its importance to mankind.
Describe a simple experiment with the help of a diagram to show that Air is highly compressible
What will happen if the number of vehicles and factories in your surroundings increases?
Name the important scientists and their studies which led to the discovery of the components of air.
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
Do sailors need the help of wind to sail?
In a number of musical instruments, air plays an important role. Can you name some such instruments?
