Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Anderson Bethe Fermi Bohr Anderson Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and neutrons Protons and electrons Protons Electrons Protons and neutrons Protons and electrons Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Ethylene Butadiene Styrene Isoprene Ethylene Butadiene Styrene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI LD50 LC50 NOAEL ADI LD50 LC50 NOAEL ANSWER DOWNLOAD EXAMIANS APP
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