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 1/8 1/6 1/3 1/4 1/8 1/6 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Oxygen over slaked lime Chlorine over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Terylene Nylon Polyester Cotton Terylene Nylon Polyester Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S NO2 SO2 NH3 H2 S NO2 SO2 NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Meson Electron Neutrino Proton Meson Electron Neutrino Proton ANSWER DOWNLOAD EXAMIANS APP
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