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? 1/3 1/6 1/8 1/4 1/3 1/6 1/8 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million One million Ten million Two million Half a million One million Ten million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Anderson Bohr Bethe Fermi Anderson Bohr Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of Gammaxane is Chloro benzene Benzene hexachloride Toluene Aniline Chloro benzene Benzene hexachloride Toluene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 CO2 N2O Chlorofluorocarbons CH4 CO2 N2O Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP