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