Chemistry Among the following the hardest metal is Gold Iron Tungsten Platinum Gold Iron Tungsten Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley John Dalton Julius Lothar Meyer Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer Dmitri Mendeleev ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Distilled water Gasoline Air LPG Distilled water Gasoline Air LPG ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Nylon Terricot Rayon Cotton Nylon Terricot Rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
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 5x x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Caffeine Cocaine Tannin Morphine Caffeine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP