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प्रश्न
Write the percentage of the gases present in air.
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उत्तर
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संबंधित प्रश्न
Give two examples of modern fuels.
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
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______ is the percentage of nitrogen in air.
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How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
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______ is used as a substitute for compressed air in tyres.
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
Observe the picture given in Fig. carefully and answer the following questions.
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