Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? White phosphorus Black phosphorus Red phosphorus Violet phosphorus White phosphorus Black phosphorus Red phosphorus Violet phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Calcium citrate Urea Ammonium sulphate Ammonium nitrate Calcium citrate Urea Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Borax powder Alum Bleaching powder Soda powder Borax powder Alum Bleaching powder Soda powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Bromine Fluorine Chlorine Iodine Bromine Fluorine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon monoxide Carbon suboxide Sulphur dioxide Carbon dioxide Carbon monoxide Carbon suboxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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