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In the phase diagram shown in the figure, four samples of the same composition are heated to temperatures marked by a, b, c and d. At which temperature will a sample get solutionized the fastest?

1. a
2. b
3. c
4. d

Correct answer: d

Solution

At temperature d, the sample is at the highest temperature, which typically allows for the most rapid diffusion and dissolution of solute atoms into the solvent, leading to faster solutionizing.

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