Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Aluminium Potassium Magnesium Beryllium Aluminium Potassium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites aluminium borosilicate silicon oxide aluminium silicate zeolites aluminium borosilicate silicon oxide aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Collection of dust Frequent use Oxidation of cellulose Lack of aeration Collection of dust Frequent use Oxidation of cellulose Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Borax powder Alum Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
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