write T if the statement is true and f if it is otherwise. _____1.pure substance melts completely. _____2.pure substance has varying boiling points. ____3.mistures does not melts completely. ____4.mixture has fixed boiling point. ____5.a white powder was tested and heated. after sometime, it melts completely. therefore, the white powder is a pure substance.
Answers & Comments
Answer:
1.T
2.T
3.F
4.F
5.T
Explanation:
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Answer:
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