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A student tests the melting point of a certain sample of potassium
alum/tawas. It starts melting at 91°C and melts completely until the temperature is
92.5°C. According to a data book, the melting point of potassium alum is 92.5'C.
What can you say about the sample?
Answer: The sample is a
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Answer:
The sample is a substance
Explanation:
because it has fixed boiling point and it melts competely