Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of O-chlorophenoxylenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol O-cresol + terepineol Chloroxylenol + terepineol Phenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Cetane number Octane number Added unlead compounds Gold number Cetane number Octane number Added unlead compounds Gold number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Zone refining Electrolysis Oxidation Roasting Zone refining Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP