Chemistry Copper is refined by Roasting Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Zinc oxide Zinc phosphide Potassium cyanide Lead nitrate Zinc oxide Zinc phosphide Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 8 2 32 18 8 2 32 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? HCl Sodium Carbonate Pure Water H2SO4 HCl Sodium Carbonate Pure Water H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Copper and iron Carbon and tin Tin and lead Zinc and lead Copper and iron Carbon and tin Tin and lead Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium A, C and E B, D and E A and C A, B, C, D and E A, C and E B, D and E A and C A, B, C, D and E ANSWER DOWNLOAD EXAMIANS APP