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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
how to calculate equivalent weight of LMnO4
prove berzelius hypothesis
what groups comprise each block of elements(s,p.d and f blocks)in the periodic table
Number of orbitats in h sub-shell is: (1) 11 (2) 15 (3) 17 (4) 19 Ans: 11
whats is surfactant and its applications in cloud point extraction ?
Q. Show the Process of ion exchange chromatography? The process of ion exchange chromatography is the most important, effective and rapid method for the separation and purifica
The energy of an electron in orbit of hydrogen atom is : (1) 13.6/n 4 x eV (2) 13.6/n 3 xeV (3) 13.6/n 2 xeV (4)13.6/nx eV Ans:
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
why boron shows +3 as well as-3 oxidation states?
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