Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 N2O SO2 SO3 NO2 N2O SO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetic acid Ethanol Formaldehyde Acetone Acetic acid Ethanol Formaldehyde Acetone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Nylon Bakelite Polythene Starch Nylon Bakelite Polythene Starch ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Calcium Tetra Fluoride Hydrofluosilicic Acid Fluorspar and Felspar Difluoro Dichloro Methane Calcium Tetra Fluoride Hydrofluosilicic Acid Fluorspar and Felspar Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
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