2. which solid sample is a substance? Scenario 1: Melting point of two solid samples Samples Aparance Observation while melting Solid A Solid B During boiling, the temperature of a mixture is different at different times. During melting, a mixture has portions that seem to be not melting.
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Answer:
liquid A temp:100
liquid B temp:113
observation while heating liquid A:has lower melting point than liquid B
observation while heating liquid B:has higher melting point than liquid A
* The pure substance in this situation is liquid B
Solid A Appearance: white crystalline powder
Solid B Appearance: white crystalline powder
Observation while melting solid A: Solid A melts completely within a short period of time
Observation while melting solid B: Solid B has portions that seem to be not melting
*The pure substance in this situation is Solid A
Explanation:
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