Chemistry The scientist who experimentally proved the existance of positron is Bohr Fermi Bethe Anderson Bohr Fermi Bethe Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water Rain water Lake water River water Sea water Rain water Lake water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From brown to blue-black From pink to blue-green From blue to pink From brown to orange-red From brown to blue-black From pink to blue-green From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Trickling filter Contact bed Intermittent sand filter Percolating filter Trickling filter Contact bed Intermittent sand filter Percolating filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Oxidation Hydration Carbonation Desilication Oxidation Hydration Carbonation Desilication ANSWER DOWNLOAD EXAMIANS APP
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