Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Phenol Propane Toluene Butane Phenol Propane Toluene Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.509 0.658 0.727 0.305 0.509 0.658 0.727 0.305 ANSWER DOWNLOAD EXAMIANS APP