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Extraction Process for various Elements
1. | Frasch Process | Sulphur |
2. | Acheson process | Graphite |
3. | Hall Herault | Aluminium |
4. | Ostwald process | Nitric acid |
5. | Bayer process | Extraction of Aluminium from ore |
6. | Bessemer process | Steel from molten pig iron |
7. | Patio process | Silver |
8. | Dow process | Bromine |
9. | Pidgeion process | Magnesium |
10. | Fischer Tropsch process | Gasoline |
11. | Azeotropic distillation | Absolute alcohol |
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| Elements/Compounds & Their Uses |
1. | Xenon | High speed photographic tubes. Electric valves & t.v. tubes |
2. | Krypton | Incandescent bulb. Airfield lights because of characteristic red colour. |
3. | Lithium | Deoxidizer and to remove unwanted gases during the manufacture of metals. |
4. | Beryllium | X-ray (transparent) window. Moderator in nuclear reactions around the core. |
5. | Neon | Neon lights. Cryogenics |
6. | Hopsalite | Mixture of oxides of manganese, cobalt, copper & silver – Anti pollution |
7. | Ammonia | Refrigerant, fertilizers |
8. | Yttrium | Used in TVs to produce red colour |
9. | Bismuth | Joined with iron to make it malleable |
10. | Sodium | Street lamp |
11. | Gadolinium | CDs. Aluminium is sometimes used to coat the disc. |
12. | Cesium | Atomic clocks |
13. | Tellurium | Tint glass (one way visibility used in cars). |
14. | Technetium | Superconductor at -262 degree Celsius. |
15. | Paraformaldehyde | Common disinfectant & contraceptives |
16. | Potassium Dichromate | Used in breath analyzer for detecting alcohol. Safe limit is < .1 %. |
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