Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Nitrogenase Nitrates Amino acids Ammonia Nitrogenase Nitrates Amino acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Visible Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Chlorine Lithium Nitrogen Fluorine Chlorine Lithium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Anderson Bethe Fermi Bohr Anderson Bethe ANSWER DOWNLOAD EXAMIANS APP