Advertisements
Advertisements
प्रश्न
Why is it said that-
Air is a homogeneous mixture of various gases.
Advertisements
उत्तर
In the case of air, the majority of it contains nitrogen and oxygen. These gases cannot be readily differentiated from one another, and the air has a uniform composition of these gases throughout. Hence it is a homogenous mixture of various gases.
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 |
How is air useful to scooters and cars.?
Write ‘true’ or ‘false for the following;
Air is a compound.
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
What is global warming?
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
Cool and soothing wind: Breeze.
uproot trees wind: ______.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
Make sentences using the given set of words.
Air, wind, motion, called
