Chemistry, 19.09.2021 01:50, shimonypuck28

A student heats up solid X. it starts to melt at 35°c, and finishes melting at 40°C. what does this tell you about solid X. a. solid X is a pure compound
b. solid X is a pure element
c. solid X is an impure substance
d. solid X is an impure compound

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A student heats up solid X. it starts to melt at 35°c, and finishes melting at 40°C. what does this...