Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Bakelite Nylon 66 Terylene Tollen's Bakelite Nylon 66 Terylene Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Flocculation Filtration Water softening Sedimentation Flocculation Filtration Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Mercury Iron Platinum Gold Mercury Iron Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline Sewage Tobacco ANSWER DOWNLOAD EXAMIANS APP
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