Advertisements
Advertisements
Question
The composition of air is always exactly the same.
Options
True
False
Advertisements
Solution
The composition of air is always exactly the same- False.
Correct statement
The composition of air changes slightly place to place.
APPEARS IN
RELATED QUESTIONS
What is wind?
What do you observe when Carbon dioxide gas is passed through lime water.
Give two uses of the following component present in air:
water vapour
How is air useful to agriculture?
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
Name the following.
Gases that are harmful to the ozone layer
While freezing, the ______ of water is lowered.
How is light scattered by the air?
Match the statements in List I with the correct answer from List II.
| List I | List II |
| 1. The constituent of air which is around 0.02% | A: Nitrogen |
| 2. The constituent of air which is inert or unreactive | B: Oxygen |
| 3. The constituent of air which is non-combustible, but supports combustion. |
C: Sulphur dioxide |
| 4. A pollutant in air responsible for acid rain | D: Carbon dioxide |
| 5. The main rare gas present in air. | E: Argon |
