Chemistry The most suitable unit for expressing nuclear radius is : Fermi Angstrom Nanometre Micron Fermi Angstrom Nanometre Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Ammonia Hydrogen Sulphur dioxide Carbon dioxide Ammonia Hydrogen Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Sublimation Fractional distillation Steam distillation Fractional crystallisation Sublimation Fractional distillation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS