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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?
पर्याय
carbon dioxide
sulphur dioxide
methane
nitrogen
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उत्तर
nitrogen
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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 observation balloons. | (b) carbon acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphur acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Mention five causes of air pollution.
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.
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
Describe a simple experiment with the help of a diagram to show that Air has mass
Answer in your own words.
What are the various constituents of air? Write their uses.
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Which of the following statements is incorrect?
