Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 Lead Hg SO2 NO2 Lead Hg SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/6 1/8 1/3 1/4 1/6 1/8 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Paired electrons Unpaired electrons Completely vacant electronic subshells Completely filled electronics subshells Paired electrons Unpaired electrons Completely vacant electronic subshells Completely filled electronics subshells ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Dilution Method of dissolution Impurities Atmospheric pressure Dilution Method of dissolution Impurities Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra ANSWER DOWNLOAD EXAMIANS APP