Chemistry Silver gets corroded due to ________ in air. Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Gujarat coast Orissa coast Travancore coast West Bengal coast Gujarat coast Orissa coast Travancore coast West Bengal coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Phosphorus Calcium Nitrogen Sulphur Phosphorus Calcium Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP