Advertisements
Advertisements
प्रश्न
Give two uses of the following component present in air:
water vapour
Advertisements
उत्तर
Water vapour: Water vapors present in air provide moisture for both plants and animals. It also helps in predicting climatic conditions of a particular area as its amount varies from place to place and from time to time.
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 |
What do you observe when Carbon dioxide gas is passed through lime water.
Write the chemical name of Lime water
Define the following:
Respiration
What is air pollution?
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
The capacity of air to hold moisture depends upon the ______ of the air.
______ soil has pH 7.
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
