Chemistry The heaviest naturally occurring element is: Uranium Polonium Thorium Mercury Uranium Polonium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In paper industry As purgative In making tooth paste In softening water In paper industry As purgative In making tooth paste In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Borax-Bead test Sodium Nitroprusside test Spectroscopy Hydrolysis test Borax-Bead test Sodium Nitroprusside test Spectroscopy Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Absorption Emulsification Coagulation Adsorption Absorption Emulsification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Chlorine Nitrogen Helium Hydrogen Chlorine Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP