Chemistry Concentration of a material which is lethal to 50% animal is called ADI LD50 NOAEL LC50 ADI LD50 NOAEL LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Helium Air Hydrogen Nitrogen Helium Air Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Ethyl Alcohol Acetic Acid Ethylene Methyl Alcohol Ethyl Alcohol Acetic Acid Ethylene Methyl Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Difluoro Dichloro Methane Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride Difluoro Dichloro Methane Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Beta particles Alpha particles Proton Positron Beta particles Alpha particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Xenon Neon Helium Argon Xenon Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP