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प्रश्न
Name the following.
Inert gases in the air
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उत्तर
Helium, Neon, Argon, Radon, Xenon, Krypton
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 |
State two similarities and two differences between respiration and burning.
Fill in the blank
Although we cannot see air, we can ___it.
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Describe a simple experiment with the help of a diagram to show that Air has mass
The capacity of air to hold moisture depends upon the ______ of the air.
Why is it said that-
Air is a homogeneous mixture of various gases.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
List five activities that are possible due to the presence of air.
About 78% of the volume of air is ______.
