Chemistry Copper is refined by Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining Roasting Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO2 All of these CO O3 CO2 All of these CO O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic soda Sodium hydroxide Soda ash Caustic potash Caustic soda Sodium hydroxide Soda ash Caustic potash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Samuel Cohen J. Robert Oppen Heimer Edward Teller Wernher Von Braun Samuel Cohen J. Robert Oppen Heimer Edward Teller Wernher Von Braun ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Sodium oxalate Calcium oxalate Sodium chloride Calcium acetate Sodium oxalate Calcium oxalate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP