Which of the following statements is $NOT$ true about polymorphism?

Select the correct statements.
$(A)$ Crystalline solids have long range order.
$(B)$ Crystalline solids are isotropic.
$(C)$ Amorphous solids are sometimes called pseudo solids.
$(D)$ Amorphous solids soften over a range of temperature.
$(E)$ Amorphous solids have a definite heat of fusion.
Choose the most appropriate answer from the options given below:

Slow cooling of red hot steel is called

$NaCl$ and $C_6H_6$ exhibit which type of magnetism?

Which of the following materials is not a semiconductor?

What is anisotropy? Explain.