Advertisements
Advertisements
प्रश्न
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Advertisements
उत्तर
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 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 |
How is air useful to scooters and cars.?
State four steps to be taken to control air pollution.
Fill in the blank
Air is a ______ of gases
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
What should be done if the clothes of a person catch fire accidentally? Why?
Wind does not help in the movement of which of the following?
Make sentences using the given set of words.
Air, wind, motion, called
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.
