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Nuclear Fission:
Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutrons. The principal actor in the fission drama is the uranium atom. The nucleus of the Uranium 238 atom has 92 protons and 146 neutrons. About one atom in 140 atoms of uranium has 143 neutrons in its nucleus. lt is called Uranium 235. It is the Uranium 235 that is mostly used to provide fuel for nuclear furneces. Before the Second World War, two German scientists discovered that if neutrons were shot at the nuclei of Uranium 235, the nuclei split into two and produced other neutrons to repeat the process. This is called nuclear fission.
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Riboflavin (vitamin B2) Riboflavin was isolated in a crystalline form from milk by Kuhn and co-workers in 1933. Because of this, the early name of the vitamin was la
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Bile pigments and bile salts - abnormal constituent of urine These occur in urine in conditions of hepatic and obstructive jaundice i.e. obstruction to the flow of bile into th
Name 2 places on earth where continental glaciers exist: Antarctica And Greenland are the two place where continental glaciers exist:
To measure the volume of air in the longs Invert a bottle full of water so that its neck is in the surface of water in ajar. Introduce a glass or rubber tube into the neck and
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Explain about the Alluvial soils Alluvial soils are characterised by their extreme depth, often several hundred feet, and a grey or greyish brown colour. Their texture varies
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