Chemistry Commercially, sodium bicarbonate is known as Bleaching powder Soda ash Baking soda Washing soda Bleaching powder Soda ash Baking soda Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Wernher Von Braun Edward Teller J. Robert Oppen Heimer Samuel Cohen Wernher Von Braun Edward Teller J. Robert Oppen Heimer Samuel Cohen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Alizarin Aniline blue Phenolphthalein Crystal violet Alizarin Aniline blue Phenolphthalein Crystal violet ANSWER DOWNLOAD EXAMIANS APP