2018年高考化学试卷(新课标Ⅲ)(解析卷)
2018年全国统一高考化学试卷(新课标Ⅲ)参考答案与试题解析 一、选择题1.(6分)化学与生活密切相关。下列说法错误的是( )A.泡沫灭火器可用于一般的起火,也适用于电器起火B.疫苗一般应冷藏存放,以避免蛋白质变性C.家庭装修时用水性漆替代传统的油性漆,有利于健康及环境D.电热水器用镁棒防止内胆腐蚀,原理是牺牲阳极的阴极保护法【考点】14:物质的组成、结构和性质的关系.菁优网版权所有【分析】A.泡沫灭火器喷出的泡沫中含有大量水分会导致产生导电;B.蛋白质在温度较高时易变性;C.水溶性漆是以水作稀释剂、不含有机溶剂的涂料,不含苯、甲苯等有机物,油性油漆是以有机物为稀释剂且含苯、甲苯等物质;D....
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