Advertisements
Advertisements
Question
The constituent of air that supports combustion is _____.
Options
Nitrogen
water vapour
Oxygen
water vapour
Advertisements
Solution
The constituent of air that supports combustion is Oxygen.
APPEARS IN
RELATED QUESTIONS
Name three noble gases present in the air. State their one industrial use
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
Why do we see the sky and air clear and clean after rainfall?
Air is a mixture of many _______.
Nitrogen is used in the food packaging industry because it _____.
Whales come up to the water surface to breathe in oxygen.
When air is moving with cool and soothing, it is called a cyclone.
Match the following
| 1. | Nitrogen | a. | Acid rain |
| 2. | CO2 | b. | Global warming |
| 3. | Melting of glaciers | c. | Volcanic gases |
| 4. | Corrosion of bridges | d. | Aerated drinks |
State whether the following statement is true or false. If false, correct them.
Plants produce oxygen during the process of making their own food.
