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Oxygen is commonly prepared in the laboratory commercially through the process of fractional distillation of liquid air. Liquid air is heated in a fractional distillation column, where oxygen, nitrogen, and other gases are separated based on their boiling points. Oxygen, with a boiling point of -183°C, vaporizes and is collected as a gas.
Yes.
Various methods have been used for the large scale production of oxygen, but at present the two mostly used are the electrolysis of an aqueous solution of dilute sulphuric acid, and the fractional distillation of Liquid Air.
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Industrial uses : As a source of fuel to melt metals, Cosmetics, Hospitals
Hydrogen is most commonly used commercially to produce hydrocarbons organic compounds such as sodium hydroxide (NaOH).
copper is used commercially for women to stick up there fannys and get really horny over then have sex with a big black man.
Frigidaire Elec. commercial ovens are being used residentially and commercially.
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used for nickel platting and other products that need a coating
Glucose is the carbohydrate used commercially in the silvering of mirrors. It is used to reduce silver nitrate to silver metal in a chemical reaction that creates the reflective surface on the mirror.