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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
विकल्प
carbon dioxide
sulphur dioxide
methane
nitrogen
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उत्तर
nitrogen
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संबंधित प्रश्न
Mention the contribution of the following scientists :
- Antoine Lavoisier
- Robert Boyle
- Joseph Priestley
- Sir W. Ramsay
What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.
Give two uses of the following component present in air:
oxygen
Give two uses of the following component present in air:
nitrogen
Name three greenhouse gases.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Air is a mixture and not a compound since the components of air cannot be separated by physical methods.
How is light scattered by the air?
Name the important scientists and their studies which led to the discovery of the components of air.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
