Chemistry Ultra purification of a metal is done by : Leaching Slugging Zone melting Smelting Leaching Slugging Zone melting Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Graphite Lead Ferrous sulphide Lead sulphide Graphite Lead Ferrous sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Haematite Calamine Chalcopyrites Bauxite Haematite Calamine Chalcopyrites Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Nitrogen Chlorine Hydrogen Oxygen Nitrogen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
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