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प्रश्न
A fuel when used releases least amount of pollutants in the air.
पर्याय
sulphur dioxide
chlorofluorocarbon
smoke
CNG
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उत्तर
CNG
APPEARS IN
संबंधित 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 |
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
______ is the active component of air.
______ gas is given to the patients having breathing problems.
Match the following
| 1. | Moving Air | Photosynthesis |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Wind |
| 4. | Oxygen | Ozone layer |
| 5. | carbon-di-oxide | Combustion |
Soda bottle bursts sometimes when it is opened during summer. Why?
Which gas is essential for burning?
Give the components present in the air with a percentage?
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
