問題詳情
21.想要去除工廠廢氣中的二氧化硫，可使廢氣通過下列何種物質？
(A)碳酸鈣
(B)氯化鈉
(C)硫酸鈣
(D)硫酸鈉
(A)碳酸鈣
(B)氯化鈉
(C)硫酸鈣
(D)硫酸鈉
參考答案
答案：A [無官方正解]
難度：適中0.6
統計：A(6),B(0),C(2),D(0),E(0)
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