Advertisements
Advertisements
प्रश्न
Give two uses of the following component present in air:
oxygen
Advertisements
उत्तर
Oxygen: For respiration and breathing no life is possible without oxygen. Oxygen is the most vital component which is responsible for two most important processes,
- Respiration and
- Combustion.
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 |
Give two uses of the following component present in air:
water vapour
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
Describe a simple experiment with the help of a diagram to show that Air is highly compressible
Answer in your own words.
What are the various constituents of air? Write their uses.
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
The composition of air is always exactly the same.
The process of conversion of iron into hydrated form of oxides is called _______.
About 78% of the volume of air is ______.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Air is a ______ of some gases.
