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判斷題

NaOH溶液應(yīng)放在帶橡膠皮塞的瓶子中。

答案：正確

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判斷題

緩沖溶液的PH值不因加入酸、堿而改變。

答案：正確

判斷題

滴定指示劑加入量越多，變色越明顯。

答案：錯誤

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