File: Hydrogen Pdf 179572 | Extraction Of Metals (multiple Choice) Qp
1 iron from a blast furnace is treated with oxygen and with calcium oxide to make steel which substances in the iron are removed calcium oxide oxygen removes removes a ...
Filetype PDF | Posted on 30 Jan 2023 | 2 years ago
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...Iron from a blast furnace is treated with oxygen and calcium oxide to make steel which substances in the are removed removes carbon acidic oxides b basic c d obtained its ore used contaminated order remove this substance passed through molten also added of phosphorus silicon words complete sentences about conversion extracted hematite gas produced as waste product dioxide hydrogen nitrogen physicsandmathstutor com reaction increases temperature over carbonate silicate monoxide row describes conditions by contains impurities process turning impure into involves blowing adding what reasons for reacting reacts making slag so it diagram shows part changed four reactions that take place produce shown keep hot o co feo fe gases raw materials firebrick lining air silica an impurity not involved extraction...