Q.
The ability of a given substance to assume two or more crystalline structure is called
A) Amorphism
B) Isomorphism
C) Polymorphism
D) Isomerism
Explanation
(c)
The phenomenon by which a certain crystalline compound exists in two or more different crystalline forms, is called polymorphism e.g., $CaCO_{3}$ occurs in two polymorphic forms, $i.e.,$ calcite (rhombohedral) and aragonite (orthorhombic).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.