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प्रश्न
A fuel when used releases least amount of pollutants in the air.
विकल्प
sulphur dioxide
chlorofluorocarbon
smoke
CNG
उत्तर
CNG
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संबंधित प्रश्न
Complete and balance the following chemical equation.
\[\ce{HgO ->[heat]}\] ______ + _______
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Give reason:
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Give word equation for the following conversion:
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Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
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| 4. | Windy places | d. | water vapour |
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On a Sunday morning Paheli’s friend visited her home. She wanted to see some flowering plants in the nearby garden. Both of them went to the garden. While returning from the garden they also observed some flowering plants on the road side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?
