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प्रश्न
Give two examples of modern fuels.
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उत्तर
Examples:
- CNG (Compressed natural gas)
- LPG (Liquefied natural gas)
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संबंधित प्रश्न
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Solution of carbon dioxide in water is called _________ acid.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Write down the composition of three main gases present in air by volume.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
Name the following:
The component of air which is present more in industrial areas.
Name the following:
A process which removes carbon dioxide from the air.
Give word equation for the following conversion:
Nitrogen of the air to nitric oxide
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
Tri oxygen molecule is known as ______.
