Chemistry Tear gas used by the police to disperse the mob contains Chlorine Hydrogen sulphide Carbon dioxide Ammonia Chlorine Hydrogen sulphide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called None of these Green house effect Smog Eutrophication None of these Green house effect Smog Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Gold Iron Lead Calcium Gold Iron Lead Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO NO2 N2O N2O3 NO NO2 N2O N2O3 ANSWER DOWNLOAD EXAMIANS APP