Chemistry Threshold limit value of copper in the atmospheric air is 0.01 mg/m3 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 0.01 mg/m3 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Collection of dust Lack of aeration Frequent use Oxidation of cellulose Collection of dust Lack of aeration Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 4.05 gram 2.05 gram 3.05 gram 5.05 gram 4.05 gram 2.05 gram 3.05 gram 5.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Evaporation Decantation Distillation Sublimation Evaporation Decantation Distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
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