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प्रश्न
Define the following:
Combustion.
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उत्तर
Combustion: Combustion also called burning “is burning of substance in the oxygen of air completely producing heat and light is called combustion.”
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संबंधित प्रश्न
Briefly state the importance of Oxygen.
Briefly state the importance of Nitrogen.
Name three noble gases present in the air. State their one industrial use
Classify Water. Also give a balanced equation to prepare it.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Compare respiration and combustion-both involving oxygen of the air.
Why do we see the sky and air clear and clean after rainfall?
Explain why during an incident of fire, one is advised to wrap a woollen blanket over a burning object.
Composition of the component of air ______ from place to place.
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
