Question:
Select the correct statements.
(A) Crystalline solids have long range order.
(B) Crystalline solids are isotropic.
(C) Amorphous solid are sometimes called pseudo solids.
(D) Amorphous solids soften over a range of temperatures.
(E) Amorphous solids have a definite heat of fusion.
Choose the most appropriate answer from the options given below.
Correct Option: , 4
Solution:
(A) Crystalline solids have definite arrangement of constituent particles and have long range order. (C), (D) Different constituent particles of an amorphous solid have different bond strengths and soften over a range of temperatures.