Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Iron Aluminium Zinc Copper Iron Aluminium Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Ammonia Nitric acid Nitrogen Nitrogen dioxide Ammonia Nitric acid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Au Cu Ge Ag Au Cu Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Copper Nichrome Iron Silver Copper Nichrome Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS