Chemistry The chief source of naphthalene is Camphor Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane Fluorspar and Felspar Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O NO2 SO3 SO2 N2O NO2 SO3 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Dust Arsenic Algae Bacteria Dust Arsenic Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane DDT Carbary Parathion Lindane DDT Carbary Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Thomson Hund Sommerfeld Rutherford Thomson Hund Sommerfeld ANSWER DOWNLOAD EXAMIANS APP