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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)
what is grignard reagent
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
Impurities of solids Impurities are frequently added to materials to improve the properties. For example, carbon added in small amounts to iron makes steel, which is stronger t
electrolysis laws by michael faraday and how they helped him to find particle nature of electricity??
the most probable radius for finding the electron in he+
calamol electrode
Which of the sub-shell is circular: (1) 4s (2) 4f (3) 4p (4) 4d Ans: 4s
Xanthoproteic test for protein
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