Chemistry An example of major air pollutant is Carbon dioxide Carbon monoxide Oxygen Helium Carbon dioxide Carbon monoxide Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Chlorine Urea Sulphur-di- oxide Ammonia Chlorine Urea Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Arsenic Dust Algae Bacteria Arsenic Dust Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Blue vitriol Gypsum salt Green vitriol Epsom salt Blue vitriol Gypsum salt Green vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Chromium Sulphur Nickel Zinc Chromium Sulphur Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cadmium Copper Cobalt Chromium Cadmium Copper Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP