Chemistry White coal is Diamond Hydro-electricity None of these Uranium Diamond Hydro-electricity None of these Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid metal Solid metal Solid non-metal Liquid non-metal Liquid metal Solid metal Solid non-metal Liquid non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze copper iron gold bronze copper iron gold ANSWER DOWNLOAD EXAMIANS APP
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