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प्रश्न
The capacity of air to hold moisture depends upon the ______ of the air.
विकल्प
Temperature
Volume
Mass
Density
Humidity
Acidic
Weight
Neutral
Shape
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उत्तर
The capacity of air to hold moisture depends upon the humidity of the air.
संबंधित प्रश्न
Match the statements in Column A, with those in Column B.
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. | (a) Oxygen |
| 2. A gas used for filling weather observeation balloons. | (b) Carbonic acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphuric acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
Answer in your own words.
What are the various constituents of air? Write their uses.
Name the important scientists and their studies which led to the discovery of the components of air.
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
List five activities that are possible due to the presence of air.
Air has no ______ & ______.
About 78% of the volume of air is ______.
