Chemistry Concentration of a material which is lethal to 50% animal is called LD50 NOAEL ADI LC50 LD50 NOAEL ADI LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is White lead Lead powder Silver powder Aluminium powder White lead Lead powder Silver powder Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Oxygen Coloured impurities Nitrogen dioxide Nitrous oxide Oxygen Coloured impurities Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Podsols Acidic soils Saline soils Alkaline soils Podsols Acidic soils Saline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Carbon Mica Lead Graphite Carbon Mica Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 10 2, 8, 8, 2 2, 10, 8 2, 6, 8, 4 2, 8, 10 2, 8, 8, 2 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP