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Senior Four Industrial Processes And Exraction Of Metal With Tasks And Reponses

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PDF 277.04 KB 9 pages Jul 23, 2026
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CHEMISTRY NOTES By: Joseph Lomoi Rugamoi (JOSELO) +256772194332/ +256752194332 Page 1 INDUSTRIAL PROCESSES FIRST ELEMENT OF CONSTRUCT -EOC 1 : The learner appreciates contribution of chemistry to our economy. (For item 3 and 4 in part I of section B) TOPICS;  Industrial processes  Air. (Mainly one manufacture of oxygen.)  Chemistry and society.  Carbon in life. (Mainly on crude oil, fermentation and saponification)  Chemical reactions. (In iron extraction and for concepts of electrolysis in extraction of Aluminium, copper, manufacture of sodium hydroxide and chlorine) ASSESSABLE AREAS Assessable a reas What each process involves (a) Manufacture of oxygen gas (b) Manufacture of chlorine gas (c) Extraction of metals (A1, Fe, Cu) (d) Manufacture of fertilizers (e) Manufacture of detergents (f) Manufacture of sodium hydroxide (g) Manufacture of Sulphuric acid. (h) Manu facture of cement (i) Manufacture of Ethanol (j) Manufacture of Bio gas. (k) Manufacture of ammonia V- vessel Cp – chemical process Cd – conversion to desired product Ch- coherence Pr – Purification 1. MANUFACTURE OF OXYGEN RAW MATERIALS; Air, Concentra ted sodium hydroxide and silica Air is passed through air filter to remove dust and smoke particles. Air is passed through concentrated sodium hydroxide solution to remove carbon dioxide. Air is then passed through silica jet to absorb water -vapour. Carbo n dioxide and water vapour are removed from air before it is liquefied because they solidify and block the apparatus. The remaining components of air are repeatedly compressed at 200 atmospheres and allowed to cool at about – 200 0C to obtain liquid air The liquid air is fractionally distilled using a fractionating column . Nitrogen boils off first because it has a lower boiling point ( -1960C) leaving behind oxygen with a higher boiling point (- 1830C). Pure oxygen is then stored under …
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Senior Four Industrial Processes And Exraction Of Metal With Tasks And Reponses, is an educational document on StudyUganda.com. This resource includes: "CHEMISTRY NOTES By: Joseph Lomoi Rugamoi (JOSELO) +256772194332/ +256752194332 Page 1 INDUSTRIAL PROCESSES FIRST ELEMENT OF CONSTRUCT -EOC 1 : The learner appreciates contribution of ……" (Format: PDF) — 277.04 KB, 9 pages. Added July 23, 2026.

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