Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Mercury Uranium Thorium Protactinium Mercury Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Quarks Photons Mesons Leptons Quarks Photons Mesons Leptons ANSWER DOWNLOAD EXAMIANS APP