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Chromatography - Purification of organic compounds This is a modern technique employed for the separation of mixtures into its components, purification of compounds and as well
3d 10 4s0 electronic configuration exhibits by; (1) Zn ++ (2) Cu ++ (3) Cd ++ (4) Hg ++
Strategy 2 The wheat flour amount is fixed at 3940g, but that of the active ingredients is varied from 30 to 60 g with the ratio of A : B : C fixed at 3:2:1. The combinations
Explain heat of formation Although both molecules have bridgehead double bonds, the double bond in compound B is more twisted, and a model of this molecule is more complex to b
can we reduce r-cn to primary ammines using fe/hcl
Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f
If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
How can the enthalpy of the hydrogenation of benzene be measured from its enthalpy of combustion and the enthalpies of combustion of cyclohexane and hydrogen? Make use of Hess's la
The maximum number of electrons in p -orbital with n= s, m=1 is: (1) 6 (2) 2 (3) 14 (4) 10 Ans: 2
Sedimentation: The process of allowing w ater to stand undisturbed in big tanks for some time in order to facilitate the settling down of the course suspended particles due to th
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