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...for shaving. It was sold for 3 Dirhams (0.3 Dinars) a piece in 981 AD. The Persian chemist Al-Razi wrote a manuscript on recipes for true soap. A recently dis

...hat hydrocarbons of purely inorganic origin exist within Earth's interior. Chemists [[Marcellin Berthelot]] and [[Dmitri Mendeleev]], as well as astronomer [[T ...s]], one of the tributaries of the [[Euphrates]]. Ancient [[Persian Empire|Persian]] tablets indicate the medicinal and lighting uses of petroleum in the uppe

...], and for waterproofing.<ref name="Abraham1938" /> The [[Persian language|Persian]] word for asphalt is ''moom'', which is related to the English word [[mumm

...s in production facilities have been added globally, particularly in the [[Persian Gulf]] countries. ...lene could be combined with [[chlorine]] to produce the ''oil of the Dutch chemists'', [[1,2-Dichloroethane|1,2-dichloroethane]]; this discovery gave ethylene