Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO3 NH4Cl SO2 H2O SO3 NH4Cl SO2 H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Polynuclear hydrides Ionic hydrides Metallic hydrides Molecular hydrides Polynuclear hydrides Ionic hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Sewage Tobacco Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP