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The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re
what is heat of reaction
when H+ is removed from any compound it forms conjugate acid. the addition of H+ ion gives conjugate base.
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is: (1) 11 (2) 14 (3) 16 (4) 10 An
Reaction of nickel cadmium storage cell charging #Minimum 100 words accepted#
molecular weight of orthophosphoric acid is M.Its equivalent weight
what is the chemical raction of a titration using sodium hydroxide and phenophthalein?
I read that in the first transition series,the stability of +2 oxidation state decreases from Sc to Cu.but,I observed that as we move along the 3d -series,the stability increases i
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