Chemistry Removal of carbon particles from air involves the principle of Filteration Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Silicon Silicon and Iron Oxygen and Iron Silicon and Aluminium Oxygen and Silicon Silicon and Iron Oxygen and Iron Silicon and Aluminium 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
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Distillation Evaporation Sublimation Decantation Distillation Evaporation Sublimation Decantation ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Fire-fighting clothes' are made from Talc Steatite Mica Asbestos Talc Steatite Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
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