Chemistry The scientist who experimentally proved the existance of positron is Anderson Fermi Bethe Bohr Anderson Fermi Bethe Bohr ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Bronze Brass Silver Copper Bronze Brass Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following produces highest amount of energy upon oxidation? Protein Fat An alkane Glucose Protein Fat An alkane Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Silver Nickel Zinc Copper Silver Nickel Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Magnesium Beryllium Potassium Aluminium Magnesium Beryllium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Zinc Calcium and Magnesium Copper, Zinc and Manganese Lead and Iron Calcium and Zinc Calcium and Magnesium Copper, Zinc and Manganese Lead and Iron ANSWER DOWNLOAD EXAMIANS APP