Chemistry For a spontaneous chemical process, the free energy change is Positive Negative Depends on whether the reaction is exothermic or endothermic Zero Positive Negative Depends on whether the reaction is exothermic or endothermic Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine sodium oxygen fluorine bromine sodium oxygen fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Higgs-boson Isotopes Anions Cations Higgs-boson Isotopes Anions Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine can be separated from a mixture of Iodine and Potassium Chloride by Distillation Sublimation Sedimentation Filtration Distillation Sublimation Sedimentation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 2 zero 4 5 2 zero 4 ANSWER DOWNLOAD EXAMIANS APP
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