If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
Correct answer: B. It will undergo no change until
- A. The solvent begins to freeze out even before
- B. It will undergo no change until
- C. It will not solidify even on
- D. None of these
Explanation
At the eutectic composition, neither component crystallizes preferentially before the eutectic temperature is reached. At that temperature, both solid phases can crystallize together.
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