Chaper !


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	Advantages Crystalline Solids: They have long order They have characteristic interfacial angles . Sharp M.P. Gives a clean cut True solids Show anisotropy They have regular internal arrangement.	Disadvantages Amorphous solids: They have short order called crystallites. No initeerfacial angles. !sharp M.P. !clean cut. Pseudo solid Isotropy they don't hav regural internal arrangement
	Evaluation !.Order 2.Interfacial angles 3.M.P. 4.Cleavage with knife 5.Nature 6.Anisootropy&isotropy7.Internal arrangement

!.Order 2.Interfacial angles 3.M.P. 4.Cleavage with knife 5.Nature 6.Anisootropy&isotropy7.Internal arrangement

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