Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 N2O NO2 SO3 SO2 N2O NO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Glacial acetic acid Diluted formic acid Glacial formic acid Diluted acetic acid Glacial acetic acid Diluted formic acid Glacial formic acid Diluted acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Oxygen over slaked lime Chlorine over quick lirne Chlorine over slaked lime Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over quick lirne Chlorine over slaked lime Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Higher fatty acids and stearic acid Paraffin was and stearic acid Bees wax and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Paraffin was and stearic acid Bees wax and stearic acid Bees wax and paraffin wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ANSWER DOWNLOAD EXAMIANS APP