Chemistry The percentage of oxygen in air is approximately 0.01 1 0.78 0.21 0.01 1 0.78 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Ester Ether Aldehyde Alcohol Ester Ether Aldehyde Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Samuel Cohen Edward Teller J. Robert Oppen Heimer Wernher Von Braun Samuel Cohen Edward Teller J. Robert Oppen Heimer Wernher Von Braun ANSWER DOWNLOAD EXAMIANS APP