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Question

As the temperature of a solid mixture increases, one part of the mixture may melt while the other parts remain unchanged.



Correct Answer
A

True

Your Answer
B

False


Solution

The correct option is A

True


You can easily have a mixture where one portion begins to melt before another. Heterogeneous mixtures have different compositions throughout. Each of these parts has individual physical characteristics. One of those characteristics may be a lower melting temperature. An example might be a mixture of table salt (NaCl) and iron (Fe) filings. As you increase the temperature, the salt will melt at a lower temperature than the iron.

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