The brown compound formed in the ring test for nitrates contains the ion

The brown compound formed in the ring test for nitrates contains the ion
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The brown compound formed in the ring test for nitrates contains the ion A. `[Fe(H_(2)O)_(5)NO]^(3+)` B. `[Fe( ... )NO]^(4+)` D. `[Fe(H_(2)O)_(5)NO]`
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A 68-year-old male who underwent a repair of an abdominal aortic aneurysm 5 days ago, develops tachycardia, tachypnea, hypotension with cool, pale, mottled cyanotic extremities. He is agitated and complains of shortness of breath. Which of the following statement(s) is/ are correct concerning his diagnosis and management? a. Myocardial ischemia secondary to preexisting coronary artery disease is most likely the underlying cause of this problem b. Invasive hemodynamic monitoring with a Swan-Gantz catheter will demonstrate a low cardiac output, a high systemic vascular resistance, and elevated cardiac filling pressures c. The use of morphine sulphate and nitrates should be part of the initial management d. The primary pharmacologic treatment involves the use of moderate doses of inotropic ag

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Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris because (a) They antagonize each other’s side effects (b) Nitrates primarily reduce preload while calcium channel blockers primarily reduce after load (c) Nitrates increase coronary flow while calcium (d) Both (b) and (c)

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Choose the correct statement about the action of nitrates on coronary vessels (a) They mitigate angina pectoris by increasing total coronary flow (b) They preferentially dilate conducting arteries without affecting resistance arterioles (c) They preferentially dilate autoregulatory arterioles without affecting the larger arteries (d) They increase subepicardial blood flow without affecting subendocardial blood flow

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Nitrites are oxidized to nitrates by a microorganism a. Nitrosomonas b. Nitrosococcus c. Nitrobacter d. Azatobacter

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Last Answer : Ans:(a)

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Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of (1) Nitrates (2) Zeolites (3) Sulphonates (4) None of these

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Biofertilizers convert nitrogen to (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids

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If the sewage is fully oxidized, the nitrogen is in the form of – (1) Nitrites (2) Ammonia (3) Nitramines (4) Nitrates

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Oxidation process results in the formation of A. Carbon dioxide B. Nitrates C. Sulphates D. All the above

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In sewage having fully oxidised organic matter, the nitrogen exists in the form of A. Nitrites B. Nitrates C. Free ammonia D. Aluminoid nitrogen

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Nitrogen cycle of sewage, is A. Liberation of ammonia-formation of nitrites-formation of nitratesliberation of nitrogen B. Liberation of nitrogen-liberation of ammonia-formation of nitritesformation of nitrates C. Liberation of nitrogen-formation of nitrates-formation of nitritesliberation of ammonia D. Formation of nitrates-formation of nitrites-liberation of nitratesliberation of nitrates

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Last Answer : ANS: A

For detecting the nitrates in sewage, the colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid and potassium hydroxide D. None of these

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Which desert is famous for its deposits of nitrates?

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Plants absorb dissolved nitrates from soil and convert them into?

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What happens when nitrates of alkaline earth metal is heated?

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