Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Carbon monoxide Methane Hydrogen sulphide Carbon dioxide Carbon monoxide Methane Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of Gammaxane is Benzene hexachloride Aniline Chloro benzene Toluene Benzene hexachloride Aniline Chloro benzene Toluene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Sodium Magnesium Potassium Iron Sodium Magnesium Potassium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Nitrates Amino acids Nitrogenase Ammonia Nitrates Amino acids Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP