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प्रश्न
Name the following.
Inert gases in the air
उत्तर
Helium, Neon, Argon, Radon, Xenon, Krypton
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 observation balloons. | (b) carbon acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphur acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
What is wind?
What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.
How is air useful to windmills?
Why is it said that-
Air is a homogeneous mixture of various gases.
How is light scattered by the air?
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
The layer of air around the earth is known as ______.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
Air is a ______ of some gases.
