Chemistry Sea weeds are important source of Iron Iodine Chlorine Bromine Iron Iodine Chlorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Oxygen only Oxygen and Nitrogen Hydrogen and Carbon Oxygen and Carbon Oxygen only Oxygen and Nitrogen Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Chlorine Nitrogen None of these Helium Chlorine Nitrogen None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
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