【已刪除】3.下列酸鹼指示劑中,何者會隨溶液的pH值升高而由紅色變化為黃色?
(A)phenolphthalein
(B)thymol blue
(C)methyl red
(D)phenol red
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統計: A(0), B(0), C(1), D(0), E(0) #2624588
統計: A(0), B(0), C(1), D(0), E(0) #2624588