Chemistry Which one is the naturally occuring heaviest element Uranium Thorium Mercury Protactinium Uranium Thorium Mercury Protactinium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water No heat change takes place Heat is absorbed Heat is liberated Temperature decreases No heat change takes place Heat is absorbed Heat is liberated Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Sublimation Corrosion Galvanisation Reduction Sublimation Corrosion Galvanisation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Sublimation Distillation Evaporation Decantation Sublimation Distillation Evaporation Decantation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
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