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Theories of origin of petroleum : Theories should describe the following characteristics related with petroleum,
Its association along with brine or sodium chloride solution. The presence of nitrogen and sulphur elements in it. The presence of haemin and chlorophyll in it. It is optically active procedure. Three very significant theories are as follows.
(a) Inorganic theory or Mendeleeff's carbide theory
(b) Organic theory or Engler's theory
(c) Modern theory
out of Kr and Rb+ ,which has greater size and why?
Q. What is standard electrode potentials of lanthanides? The standard electrode potentials of lanthanides for the half reaction Ln 3+ (aq) + 3e ----------------> Ln (s)
what is banana bonding
strain theory
what would be the structure of SiS2 edge sharing linking polyhedra?
why isoquinoline is weak base as compare to quinoline?#
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
What is the principle of EDTA titration method
Q. What happens to the energy values of d- orbitals? Let us see what happens to the energy values of d- orbitals under these stages. We start with the energy level diagram of a
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
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