Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Sommerfeld Rutherford Hund Thomson Sommerfeld Rutherford Hund ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Anions Higgs-boson Cations Isotopes Anions Higgs-boson Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Zero Positive Negative Depends on whether the reaction is exothermic or endothermic Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite Haemetite None of these Limnonite Magnetite Haemetite None of these Limnonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is aluminium silicate aluminium borosilicate zeolites silicon oxide aluminium silicate aluminium borosilicate zeolites silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP