Question:3 ) Melting point of pure crystalline solid substance and amorphous solid substance is –---------------------------------
A)  Always a fixed constant temperature.
B)  Pure crystalline solid substance melts over a range of temperature.
C)  Amorphous solids melt over a range of temperatures.
D)  All of the above
A)  Always a fixed constant temperature.
B)  Pure crystalline solid substance melts over a range of temperature.
C)  Amorphous solids melt over a range of temperatures.
D)  All of the above
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Answer:
D )D)  All of the above ........
Explanation:
all of the above.... hope it helps u and if I m wrong plz correct me