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Oxygen is a chemical element with symbol O and atomic number ۸ an element of biodiversity that have been everywhere, what land and what in the whole Cosmos is found. Melting temperature and boiling temperature of it to arrange 79/218 - 96/182 - degrees Celsius. At room temperature and standard pressure for a gas that contains two atoms of oxygen to the chemical formula 2 Oمی. In order to increase the intensity and speed of reaction in many applications, and also improve the efficiency of the reaction, oxygen or air hardened from oxygen, replace, typical. The ability of oxygen as one of the mai ...

The production and sale of nitrogen gas and liquid Shiraz in alchemy gas CORP Nitrogen, or nitrogen is a chemical element with symbol Nand atomic number, it ۷. Usually, for a gas, غیرفلز, etc. دواتمی, the effect, Rhinestone, etc. بیمزه and odorless, that ۷۸% of the Earth's atmosphere, in what is the main ingredient in tissues. Melting temperature and boiling temperature of it to arrange a 210 - 795/ 195 - degrees Celsius. Nitrogen compounds are important, such as ammonia, etc. اسیدنیتریک and cyanides to form. Due to being inert gas, nitrogen, a major taking it for fluid in the industries. Nit ...

Acetylene or Etienne with Formula C2H2 is the smallest member of the family آلکین, etc. gas, colorless, temperature and pressure typical sorely آتشگیر", and maintenance, and portable, with an odor similar to the smell of garlic. Melting temperature and boiling temperature of it to arrange 8/80 - 84 - degrees Celsius. As mentioned, the mixture of acetylene and air is ignited self-lubricating, so it dissolved in acetone and, together with porous materials storage and carrying. The gas in alcohol, acetone soluble and has a very low in the water, also can be solved. Have the risks of fire and expl ...

Argon, symbol Ar, atomic number 18 gas single, atomic, etc., colorless, etc., odorless, and بیمزه, etc. ضدرنگ, non-flammable and non-toxic. In terms of the chemical shall have been less than one percent of the volume of the air in the Diaspora. This element is in group noble gases are located. Hence, No combination of it, does not exist. Melting temperature and boiling temperature which, respectively, 35/ 189 - and 85/ 185 - degrees Celsius. Argon brand, make sure تفکیک, cooling in place, that the processes of distillation and آبگونه storage for the production of product argon raw with impurit ...

Di اکسیدکربن formula شیمیاییCO2یک gas non Napalm, color, odorless and slightly acidic. Melting temperature and the temperature of sublimation, it to arrange 6/56 - 5/78 - degrees Celsius. Carbon dioxide one of the gases available in the atmosphere is from the burning of organic material in the presence of enough oxygen is created. Carbon dioxide in Earth's atmosphere as a gas scarce, with concentrations in excess 04/0% (400 parts per million, or ppm) is there. Natural resources the production of this gas involves volcanos, etc. springs or آبفشانها, etc., of gems کربندار, dissolve them in water ...