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Q. Explain Distillation in purification of metals?
Metals with low boiling points, such as cadmium, zinc and mercury will be purified by distillation. The distillation is generally carried out under reduced pressure to enable boiling of the metal at lower temperature.
Draw the important resonance contributors for the benzenoium intermediate in the bromination of aniline and explain why ortho, para substitution predominates ?
Acetanilide in water Water can accept a hydrogen bond from the hydrogen of the N-H bond, and can donate a hydrogen bond to the oxygen of the CAO bond as well as to the nitrogen
reactivity of f-block elements
examples?\
ionic bond has low energy
how can you balance k+o2
Number of nodal centres for 2s orbital: (1) 1 (2) 0 (3) 4 (4) 3 Ans: 1
name an artificial fertilizer or fertilisisers which farmer can use to increase the supply of nitrate,phosphate and potassium to their crops.what are the function of ions?
Complexes of actinides
addition of different regent in sample of salt changes its colour
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