Nitrogen acid may refer to any of the following:
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Nitrogen dioxide — Nitrogen dioxide … Wikipedia
Acid rain — is rain or any other form of precipitation that is unusually acidic. It has harmful effects on plants, aquatic animals, and infastructure. Acid rain is mostly caused by human emissions of sulfur and nitrogen compounds which react in the… … Wikipedia
Nitrogen trichloride — Nitrogen trichloride … Wikipedia
Nitrogen balance — is the measure of nitrogen output subtracted from nitrogen input.[1] Blood urea nitrogen can be used in estimating nitrogen balance, as can the urea concentration in urine. A positive value is often found during periods of growth, tissue repair… … Wikipedia
Nitrogen — Ni tro*gen (n[imac] tr[ o]*j[e^]n), n. [L. nitrum natron + gen: cf. F. nitrog[ e]ne. See {Niter}.] (Chem.) A colorless nonmetallic element of atomic number 7, tasteless and odorless, comprising four fifths of the atmosphere by volume in the form… … The Collaborative International Dictionary of English
nitrogen dioxide — n a poisonous strongly oxidizing reddish brown gas NO2 * * * a brownish, irritant gas, NO2, generated by the decomposition of nitrogen tetroxide or the reaction of metals with concentrated nitric acid. Exposure to heavy concentrations causes lung … Medical dictionary
nitrogen dioxide — n. a poisonous, reddish brown gas, NO2, used in making nitric acid, as a rocket fuel oxidizer, etc.: it is also an air pollutant formed from automobile exhausts … English World dictionary
acid rain — ► NOUN ▪ rainfall made acidic by sulphur and nitrogen oxides from the industrial burning of fossil fuels … English terms dictionary
acid rain — n. rain or other precipitation with a high concentration of acids produced by sulfur dioxide, nitrogen dioxide, and other such gases that result from the combustion of fossil fuels: it has a destructive effect on plant and aquatic life, buildings … English World dictionary
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
