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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 |
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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
Define the term Global warming.
State the utility of oxygen for respiration in plants
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Give word equation for the following conversion:
Nitrogen of the air to nitric oxide
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
What is the percentage of oxygen in air?
Air is a mixture of many _______.
______ is the percentage of nitrogen in air.
Which gas in the atmosphere is essential for respiration?
