题型:问答题 简答题 据媒体报道,上海世博会前外环以内有8家自来水厂将采用次氯酸钠代替液氯水处理应用技术,减少液氯进入中心市区带来潜在风险。下列说法中正确的是 [ ]A.次氯酸钠是纯净物,液氯是混合物 B.等物质的量的次氯酸钠和氯气相比,前者消毒效率高C.向次氯酸钠溶液中通入二氧化硫能生成亚硫酸钠和次氯酸 D.工业上可通过电解食盐水得到次氯酸钠 查看答案
题型:问答题 简答题 I don't know the result for sure, but ________ with you, I don't think our team won an advantage over theirs in yesterday's competition.[ ]A. not at all B. in dependsC. to be honest D. no problem 查看答案