Chemistry Many people died in London in 1952 as result of air pollution producing Fog Mist Smog Sleet Fog Mist Smog Sleet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bohr Fermi Bethe Anderson Bohr Fermi Bethe Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaBr2 CaF2 Cal2 Cacl2 CaBr2 CaF2 Cal2 Cacl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Copper Silver Nichrome Iron Copper Silver Nichrome Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect Oxygen fertilization effect Global warming Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect Oxygen fertilization effect Global warming ANSWER DOWNLOAD EXAMIANS APP