Chemistry Among the following the hardest metal is Platinum Tungsten Gold Iron Platinum Tungsten Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Bleaching Oxidation Adsorption Reduction Bleaching Oxidation Adsorption Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Carbon Lead Mica Graphite Carbon Lead Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum ANSWER DOWNLOAD EXAMIANS APP
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