問題詳情

3. Select the best pair of words to describe the two points on the following diagram.
6062893cdfa2d.jpg
 Point 1 is _____, and point 2 is _____.
(A) Converging point, convergence concentration. 
(B) Equality point, equilibrium composition.
(C) Perfect point, best concentration.
(D) Eutectic point, eutectic composition.



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