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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
विकल्प
carbon dioxide
sulphur dioxide
methane
nitrogen
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उत्तर
nitrogen
APPEARS IN
संबंधित प्रश्न
Mention the contribution of the following scientists :
- Antoine Lavoisier
- Robert Boyle
- Joseph Priestley
- Sir W. Ramsay
Give two uses of the following component present in air:
nitrogen
How is air useful to windmills?
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Give a brief account of the discovery of air and the scientists involved.
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
State the meaning of the term atmosphere.
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 |
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
The ______ makes the windmill rotate.
