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Spectral lines are possible in its emission spectrum, If hydrogen atom is i...

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Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.

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The number of unpaired electrons in nitrogen is: (1) 1        (2) 3        (3) 2        (4) None of these Ans: 3

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90ml of an unknown concentrated chlorine was diluted with 2250l of water.The dilution now is 0.08mg/l. what is the initial concentration of the chlorine before dilution?

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Explain the Effects of Temperature on multicomponent systems? For some of the derivations in this chapter, we will need an expression for the rate at which the ratio μ i /T var

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