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Answer:
Sample is added to a small glass capillary tube, which is closed at one end. It is important to use as small amount of sample as possible so that sufficient heat is present to melt the sample rapidly. ... The temperature at which all solid has melted is recorded as the end of the melting point range.When molecules are tightly packed together, a substance has a higher melting point than a substance with molecules that do not pack well. ... Molecular size also affects the melting point. When other factors are equal, smaller molecules melt at lower temperatures than larger molecules.
Explanation:
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