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प्रश्न
What is greenhouse effect?
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उत्तर
The trapping of solar heat energy in earth’s atmosphere is called greenhouse effect.
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 |
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
Discuss harmful effects of greenhouse effect.
What do you observe when Carbon dioxide gas is passed through lime water.
Give two uses of the following component present in air:
nitrogen
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Name two air pollutants which cause global warming.
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
Describe a simple experiment with the help of a diagram to show that Air has mass
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
