Chemistry Normal rainwater is slightly acidic due to the presence of Methane None of these Sulphur dioxide Carbon dioxide Methane None of these Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Mist Fog Smog Sleet Mist Fog Smog Sleet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite Limnonite Haemetite None of these Magnetite Limnonite Haemetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Hydrogen sulphide Carbon monoxide Carbon dioxide Methane Hydrogen sulphide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Reducing property Basic property Oxidising property Acidic property Reducing property Basic property Oxidising property Acidic property ANSWER DOWNLOAD EXAMIANS APP