Chemistry What is the element required for solar energy conversion ? Tantalum Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids Nitrogenase Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.509 0.305 0.658 0.727 0.509 0.305 0.658 0.727 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Helium Nitrogen Neon Argon Helium Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 12600 kJ/kg 14600 kJ/kg 39400 kJ/kg 47000 kJ/kg 12600 kJ/kg 14600 kJ/kg 39400 kJ/kg 47000 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS