(free active chlorine)

  • 71Oxidation state — Not to be confused with Oxidation number. In chemistry, the oxidation state is an indicator of the degree of oxidation of an atom in a chemical compound. The formal oxidation state is the hypothetical charge that an atom would have if all bonds… …

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  • 72Alkali manufacture — This is a historical article. For current information see Sodium hydroxide#Manufacture and Chloralkali process. Alkali manufacture is the process by which an alkali is made. Typical alkalis, produced commercially, include sodium hydroxide, sodium …

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  • 73Chloramine-T — IUPAC name N chloro 4 methylbenzenesulfonamide, sodium salt …

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  • 74Heat capacity — Thermodynamics …

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  • 75Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …

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  • 76Iraq War — This article is about the war that began in 2003. For other uses, see Iraq War (disambiguation). Further information: 2003 invasion of Iraq and Post invasion Iraq …

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  • 77sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …

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  • 78Human nutrition — For aspects of nutrition science not specific to humans, see Nutrition. Human nutrition is the provision to humans to obtain the materials necessary to support life. In general, humans can survive for two to eight weeks without food, depending on …

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  • 79Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… …

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  • 80al-Qaeda in Iraq — Tanzim Qaidat al Jihad fi Bilad al Rafidayn (Organization of Jihad s Base in Mesopotamia) Al Qaeda in Iraq Participant in the Iraq War Jihadist black flag …

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