Which of the following statements are true about amorphous solids? (A) They are anisotropic in n...

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Which of the following statements are true about amorphous solids?
(A) They are anisotropic in nature.
(B) On heating they may become crystalline at certain temperature.
(C) They may become crystalline on keeping for long time.
(D) Amorhous solids have definite melting point.
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