Chemistry Zone refining is used for the purification of Ge Ag Au Cu Ge Ag Au Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.05 0.01 1 2 0.05 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Coagulant Antiseptic Antibiotic Disinfectant Coagulant Antiseptic Antibiotic Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Zinc Tin Copper Lead Zinc Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Boric acid Carbonic acid Phosphoric acid Sulphuric acid Boric acid Carbonic acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP