Question

3. Melting point is a criteria of purify of a organic solid because
a. a pure liquid boil sharply at a definite temperature.
b. a pure solid melts sharply at a definite temperature.
c. a pure solid melts at some higher temperature than its melting point.
d. a pure liquid boils at some lower temperature than its boiling point​

Answer 1

Answer:

c. a pure solid melts at some higher temperature than its melting point.

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