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Mahi Arora 7 years, 3 months ago
Posted by Abhay Chamnar 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Nitrogen Cycle : Nitrogen is one of the most essential constituent of living beings. This is because nitrogen is part of chlorophyll, nucleic acids and vitamins. Plants and animals cannot directly consume the nitrogen present in the atmosphere. This work is done by the algae and bacteria . They fix the atmospheric nitrogen and converts it into nitrite and nitrate. The roots of the plants consume these nitrites and nitrates from the soil. The nitrogen is used to synthesis amino acid, proteins, etc. in the plants. This in turn is consumed by animals feeding on these plants. The dead bodies of these animals are worked upon by the bacteria and fungi present in soil and lead to their decomposition. They convert the compounds of nitrogen back into nitrates and nitrites. These are further converted into nitrogen gas and released in atmosphere by certain specialized bacteria thus balancing the percentage of nitrogen in atmosphere.
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Abhay Chamnar 7 years, 3 months ago
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Sonali Aggarwal 7 years, 3 months ago
Endemic species are unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere.
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Yogita Ingle 7 years, 3 months ago
Take a copper sulphate solution in a beaker . Connect an iron nail that to be electroplated to the negative terminal of a battery . Connect a copper strip to the positive terminal of the battery . Dip the copper strip and object to electroplated in the beaker containing copper sulphate solution .Leave the set up for half an hour . you will can deposit of reddish broun coating on the object .
When electricity is passed through the solution , copper ions move towards the cathode and get reduced to copper metal . This metal gets electroplated on the object .
Posted by Sachkirat Singh 7 years, 3 months ago
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Meghna Thapar 5 years, 6 months ago
Gallium is the Backbone of the Electronics Industry. Gallium is a silvery blue and soft metallic element that enjoys vast application in optoelectronics (e.g., LED's), telecommunication, aerospace, and many commercial and household items such as alloys, computers and DVD's.
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Divya Saini 7 years, 3 months ago
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