JEE Main Chemistry question

Not in JEE Main or NEET syllabus

A crystalline solid

(A)Changes abruptly from solid to liquid when heatedCorrect
(B)Has no definite melting point
(C)Has an irregular three-dimensional arrangement
(D)Undergoes deformation of its geometry easily

Answer: (A)

Solution

Crystalline solids have a long-range, regular, periodic arrangement of particles held by well-defined forces, so they melt sharply at one fixed temperature once

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Question ID VK-134170