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what is laws of chemical combination
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
How do you mean by chemistry?
Briefly discuss the physical origin and uses of Hall effect? Its physical origin follows from the Boltzmann Transport phenomenon. It is used to get carrier density and the sign
why in f-block element electronic configuration electrons does not enter in 5d orbital (except for La,Gd,Lu)
The series limit for Balmer series of H-spectra is: (1) 3800 (2) 4200 (3) 3646 (4) 4000 Ans: 3646
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium, manganese etc. Explain why? Ans) Aluminium is an highly electropositive metal
#question.i
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
what is relative atomic mass
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