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ক ইউনিট (2007-2008) || ঢাকা বিশ্ববিদ্যালয় || 2007

রসায়ন

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রসায়ন

NaNO3 and dil. HNO3 
 Dil. HNO3 and dil.H2SO4   
NaNO2 and dil. HCl
 Cone. HNO3 and cone. H2SO4
Both contain ionic bond
Both are readily soluble in water
Both are acidic oxides
Both have giant molecular structure
   C(sp) + H(2s)
   C(sp2)  + H(Is) 
     C(sp2)  + H(2p) 
        C(sp3) + H (Is) 
Te has one electron more in the outermost orbital than I
Te has one neutron less in the nucleus than I
Te has one proton less than I
Te has one proton more than I
    [A] [B]3 /[C] [D]2  
  [C][D]2 / [A][B]3
[A][3B]/[C][2D]  
None of the above