Chemistry Which metal is extracted from sea water? Aluminium Beryllium Magnesium Potassium Aluminium Beryllium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Disinfectant Coagulant Antibiotic Antiseptic Disinfectant Coagulant Antibiotic Antiseptic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.305 0.25 0.27 0.18 0.305 0.25 0.27 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Lignite Bauxite Dolomite Copper Lignite Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
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