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प्रश्न
Name the following.
Gases that are harmful to the ozone layer
एक पंक्ति में उत्तर
उत्तर
Carbon tetrachloride
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
What was the ancient belief regarding the nature of matter ?
Name two important processes supported by oxygen present in air.
Name two air pollutants which cause acid rain.
Give a brief account of the discovery of air and the scientists involved.
While freezing, the ______ of water is lowered.
Match the statements in List I with the correct answer from List II.
| List I | List II |
| 1. The constituent of air which is around 0.02% | A: Nitrogen |
| 2. The constituent of air which is inert or unreactive | B: Oxygen |
| 3. The constituent of air which is non-combustible, but supports combustion. |
C: Sulphur dioxide |
| 4. A pollutant in air responsible for acid rain | D: Carbon dioxide |
| 5. The main rare gas present in air. | E: Argon |
Name a device which uses wind energy to generate electricity.
List five activities that are possible due to the presence of air.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Match the items of Column I with the items of Column II
| Column-I | Column-ll | ||
| (a) | Weather cock | (i) | Gases and fine dust particles |
| (b) | Mountaineers | (ii) | Sailing yacht |
| (c) | Fine hair inside the nose | (iii) | Oxygen cylinders |
| (d) | Smoke | (iv) | Direction of airflow |
| (e) | Wind | (v) | Prevent dust particles |
