Advertisements
Advertisements
प्रश्न
What is air pollution?
एक पंक्ति में उत्तर
उत्तर
Air Pollution: “Mixing of UNWANTED and HARMFUL SUBSTANCES in the air is called AIR POLLUTION.”
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Match the following :
| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
Why can’t we see air?
What do you observe when a burning candle is covered with an inverted jar.
Give two uses of the following component present in air:
oxygen
Name three greenhouse gases.
Tick (√) the correct alternative from the choice given for the following statement.
Air consists of
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
State the meaning of the term Air
Name the important scientists and their studies which led to the discovery of the components of air.
Wind does not help in the movement of which of the following?
