Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero –4 4 8 Zero –4 4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus White phosphorus Red phosphorus Black phosphorus Violet phosphorus White phosphorus Red phosphorus Black phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Water gas Indane gas Natural gas Coal gas Water gas Indane gas Natural gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Electronegativity Ionization energy Excitation potential Electron affinity Electronegativity Ionization energy Excitation potential Electron affinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Triethylamine Ammonia Diethylamine Ethylamine Triethylamine Ammonia Diethylamine Ethylamine ANSWER DOWNLOAD EXAMIANS APP