A.NH3 B.N2H4 C.C2H5OH D.CH3OCH3
A. B. C. D.
A.CaO>KCl>MgO>NaCl B.NaCl>KCl>RbCl>SrO C.MgO>RbCl>SrO>BaO D.MgO>NaCl>KCl>RbCl