Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Free radical Carbene Carbanion Carbocation Free radical Carbene Carbanion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Picric acid Aspirin Benzene Chloride Picric acid Aspirin Benzene Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Coal High octane fuel Cooking gas Low octane fuel Coal High octane fuel Cooking gas Low octane fuel ANSWER DOWNLOAD EXAMIANS APP