Advertisements
Advertisements
प्रश्न
Match the statements in List 1 with the correct answers in List 2
| List 1 | List 2 | ||
| 1 | An impurity in air | A | Water vapour |
| 2 | The component of air which supports combustion | B | Respiration |
| 3 | The inert component in the air slightly soluble in water | C | Rare gases |
| 4 | The component of air which minimizes the rate of evaporation | D | Sulphur dioxide |
| 5 | The process which involves oxidation of food substance in living organisms | E | Helium |
| 6 | The component of air which finds application in observation balloons | F | Carbon dioxide |
| 7 | The process which involves oxidation of substances, liberating heat and light energy | G | Combustion |
| 8 | The component of air which is heavier than air and fairly soluble in water | H | Nitrogen |
| 9 | The process by which atmospheric carbon dioxide is absorbed by plants resulting in the formation of carbohydrates | I | Photosynthesis |
| 10 | The component of air which is lighter than air and less than 1% in air | J | Oxygen |
Advertisements
उत्तर
| List 1 | List 2 | ||
| 1 | An impurity in air | D | Sulphur dioxide |
| 2 | The component of air which supports combustion | J | Oxygen |
| 3 | The inert component in the air slightly soluble in water | H | Nitrogen |
| 4 | The component of air which minimizes the rate of evaporation | A | Water vapour |
| 5 | The process which involves oxidation of food substance in living organisms | B | Respiration |
| 6 | The component of air which finds application in observation balloons | E | Helium |
| 7 | The process which involves oxidation of substances, liberating heat and light energy | G | Combustion |
| 8 | The component of air which is heavier than air and fairly soluble in water | F | Carbon dioxide |
| 9 | The process by which atmospheric carbon dioxide is absorbed by plants resulting in the formation of carbohydrates | I | Photosynthesis |
| 10 | The component of air which is lighter than air and less than 1% in air | C | Rare gases |
संबंधित प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Write fully balanced equation for the following :
CO2 + H2O →
Define the following:
Combustion.
Explain the importance of nitrogen of the air for plant growth.
_____ gas turns lime water milky.
Whales come up to the water surface to breathe in oxygen.
The Scottish chemist ______ discovered carbon dioxide is present in air.
The second major component of air is oxygen.
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
