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Consider the following statements: 1. Ammonia nitrogen is a measure of nitrogen present as ammonium hydroxide and ammonium salts. It will progressively decrease as sewage gets treated. 2. Organic nitrogen is the total nitrogenous matter in sewages excepting that present as ammonia nitrogen, nitrites and nitrates. It becomes ammonia in anaerobic decomposition and nitrites or nitrates in aerobic decomposition. Which of the above statements is/are correct?
Into which of the mentioned equipment are compressed NH3 and CO2 added for production of urea by Ammonia carbamate decomposition?
In which of the mentioned equipment does further decomposition of carbamate take place?
Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
With increases in pressure, the conversion of ammonium carbamate into urea
Dehydration of ammonium carbamate produces
During conversion of ammonium carbamate into urea, presence of large excess of water
Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction.
Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.