問題詳情
4.四個白色粉末的藥品分別是硫酸鈣、碳酸鈣、碳酸氫鈉、碳酸鈉，任意標示為甲、乙、丙、丁，各取少許粉末進行了下列三個實驗： (a)將粉末加少許水溶解，發現甲、丁不太能溶解，而乙、丙能夠溶解。 (b)在粉末上分別滴加稀鹽酸，甲、乙、丙會產生氣泡。 (c)將粉末裝在試管中加熱分解，甲、丙會產生氣體，並使澄清石灰水變混濁。則依據實驗結果，判斷甲、乙、丙、丁所含成分為何？ 甲___(9)___，乙___(10)___，丙___(11)___，丁___(12)___。
9
9
參考答案
答案：C
難度：困難0.333333
統計：A(7),B(19),C(24),D(16),E(0)
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