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RRB Group-D Model Paper 16 with answers for online practice
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© examsnet.com
Question : 38
Total: 100
Nitrogen in water is commonly found in the form of
Nitric oxide
Nitrate
Nitrite
Nitrous oxide
Validate
Solution:
Nitrogen in water is commonly found in the form of Nitrate.
The main source of nitrogen compounds in water is fertilizer.
Fertilizers mainly contain nitrate, it also contains ammonia, ammonium, urea, and amines
Some fertilizers also contain certain "micronutrients".
Micronutrients are necessary for plant growth, such as zinc and other metals.
Nitric oxide is a colorless gas.
Nitric oxide has an unpaired electron(so it is called free radical).
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