問題詳情
14. 將CO2氣體通入澄清石灰水中，一段時間後，發現溶液呈澄清狀態，則下列敘述何者正確？
(A)此溶液中的主要成分為CaCO3
(B)此溶液為暫時硬水
(C)此溶液不易使肥皂水產生起泡現象
(D)此溶液加熱，會產生白色沉澱
(E)自然界的石筍、鐘乳石等，即為此種溶液受熱沉積的現象。
(A)此溶液中的主要成分為CaCO3
(B)此溶液為暫時硬水
(C)此溶液不易使肥皂水產生起泡現象
(D)此溶液加熱，會產生白色沉澱
(E)自然界的石筍、鐘乳石等，即為此種溶液受熱沉積的現象。
參考答案
答案：B,C,D,E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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