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प्रश्न
The constituent of air that supports combustion is _____.
विकल्प
Nitrogen
water vapour
Oxygen
water vapour
उत्तर
The constituent of air that supports combustion is Oxygen.
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संबंधित प्रश्न
Give reason:
A burning candle stops burning if covered with a glass tumbler
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
Explain why mountaineers carry oxygen cylinders with them?
Composition of the component of air ______ from place to place.
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
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 |
Venus's atmosphere consists of roughly 96 – 97% of ______.
