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प्रश्न
Tick (√) the most appropriate answer.
Which is not a polluting gas for the air?
विकल्प
Sulphur dioxide gas
Nitrogen dioxide gas
Carbon monoxide gas
Neon gas
उत्तर
Neon gas
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संबंधित प्रश्न
Define the term Global warming.
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.
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
Briefly state the importance of Nitrogen.
What are the main components of air?
Fill in the blank
Aquatic plants and animals use _________ in water.
State four different properties of a compound and a mixture.
Composition of the component of air ______ from place to place.
