Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Na Ag Hg Fe Na Ag Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Proton Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its reducing character Its affinity for non-metal Its non-metallic character Its electropositive character Its reducing character Its affinity for non-metal Its non-metallic character Its electropositive character ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Silicon Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called NOAEL LC50 ADI LD50 NOAEL LC50 ADI LD50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Iron Cobalt Nickel Zinc Iron Cobalt Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS