Chemistry The graphite rods in the nuclear reactor convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission produce neutrons react with U to release energy convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission produce neutrons react with U to release energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold bronze iron copper gold bronze iron copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is K Na Cs Ca K Na Cs Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate adding caustic soda boiling distillation adding sodium carbonate adding caustic soda boiling distillation ANSWER DOWNLOAD EXAMIANS APP