Chemistry L.P.G. is mostly liquefied Hydrogen Butane Methane Oxygen Hydrogen Butane Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/8 1/3 1/4 1/6 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 Oxides of N and S O2 and O3 O2 and N2 O3 and N2 Oxides of N and S O2 and O3 O2 and N2 ANSWER DOWNLOAD EXAMIANS APP