Use the graph above to answer this question. A sample, X,...
Use the graph above to answer this question. A sample, X, solid at room temperature, was melted, heated to a temperature of 358 K and allowed to cool as shown in OPQR. The section PQ indicates that X is
a mixture of salts
a hydrated salt
an ionic salt
a pure compound
Correct answer is D
No explanation has been provided for this answer.
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