1.

Given : {:(,"Column A","Column B"),((A),"Ionic solid",(I)NaCl),((B),"Metallic solid",(II) Fe),((C),"Covalent solid",(III)C("graphite")),((D),"Molecular solid",(IV)"Dry ice"):}

Answer»

A - II, B - I, C - IV, D - III
A - I, B - II, C - III, - D - IV
A - III, B - II, C - I, D - IV
A - II, B - IV, C - I, D - III21.

Solution :It is a fact.


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