1.

The sharp melting point of crystalline solids is due to ___________.(i) a regular arrangement of constituent particles observed over a short distance in the crystal lattice.(ii) a regular arrangement of constituent particles observed over a long distance in the crystal lattice.(iii) same arrangement of constituent particles in different directions.(iv) different arrangement of constituent particles in different directions.

Answer»

(ii) a regular arrangement of constituent particles observed over a long distance in the crystal lattice.



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