7. Which of these describes a pure substance?
A. it appears homogeneous
B. A solid pure substance melts completely
C. Aliquid pure substance has a fixed boiling point
D. All of these
A. it appears homogeneous
B. A solid pure substance melts completely
C. Aliquid pure substance has a fixed boiling point
D. All of these
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Answer:
Letter D hope it helps you