Explain male reproductive system of rabbit with a labeled diagram. → The country also export cotton goods to U.S.A., U.K., Russia, France, East European countries, Nepal, Singapore, Sri Lanka, and African countries. A Frenchman by the name of Paul L.T. The idea of producing aluminum via electrolytic reduction in cryolite wasn't rare, either. → India exports yarn to Japan. Explain any three objectives of National Jute Policy. Explain any two main challenges faced by the jute industry in India. Smelting is carried out in a blast furnace. Heroult came up with the same idea just a few months later. Earth’s crust is the major source of metal. Explain how the developing embryo gets nourishment inside the mother's body. If you remember we have done a similar process before of removing impurities during concentration of ores. 9. Explain the rules for obtaining images formed by a convex lens with the help of ray diagram. Smelting: Smelting is the process of reducing an oxide with carbon in the presence of flux at a high temperature. Part 2 Life Process Notes Go Back to Class 10 Science Notes. In metallurgy refining of metals is the final process. Explain smelting process. Once the extraction process is complete we must ensure that the metal is free of any impurities. Source of metal: Metals occur in earth’s crust and in sea water; in the form of ores. The process of removing oxygen from a metallic oxide so as to convert it (metallic oxide) into a metal is known as reduction or smelting. No products in the cart. Sea water contains many salts; such as sodium chloride, magnesium chloride, etc. Refining of Metals. Occurrence and Extraction of Metals. Uncategorized questions based on metallurgy class 10. The alumin­um smelting process developed by Hall resulted in large amounts of pure aluminum. Life Process in One-Shot | CBSE Class 10 Science (Biology) Chapter 6 | Vedantu Class 9 and 10. Solution 1 Show Solution After implantation, a disc-like special tissue called placenta develops between the uterus wall and the embryo. Posted on November 30, 2020 by November 30, 2020 by A blast of hot air is blown into the furnace through water-cooled nozzles. Previous Post Next Post Latest Updates. ... Aluminium Smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process. Reduction by Electrolysis Reduction of highly electropositive (reactive) metals like K, Na, Ca, Mg, Al oxides/halides. → India has world class production in spinning, but weaving supplies low quality of fabric as it cannot use much of the high quality yarn produced in the country. The charge, which is calcined ore … I. Suddenly, the metal was no longer rare. A convex lens with the explain smelting process class 10 samacheer idea just a few months later a blast hot! 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