Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Zinc Silver Nickel Copper Zinc Silver Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Rayon Terylene Viscose Cotton Rayon Terylene Viscose Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 44052 7.5-8 4.5-5 6.5-7 44052 7.5-8 4.5-5 6.5-7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine fluorine oxygen sodium bromine fluorine oxygen sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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