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प्रश्न
Explain the importance of nitrogen of the air for plant growth.
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उत्तर
Nitrogen of air is converted to soluble nitrogenous compounds in the soil in the presence of air and moisture. These are absorbed by plants and converted to plant proteins.
संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
What happens when Carbon burns in oxygen ? Also give the balanced chemical equation for the reaction.
Classify Calcium oxide. Also give a balanced equation to prepare it.
What do you observe when Ice cold water is filled in a glass tumbler.
What are the two necessary conditions for rusting of iron?
Name the following:
The product formed when phosphorus burns in oxygen.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
The amount of water vapour in the air is more in windy places than in other areas.
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
