2016年宁夏中考化学试卷(学生版)
2016年宁夏中考化学试卷一、选择题(共13小题,每小题2分,满分28分)1.(2分)物质的性质决定用途,下列说法错误的是( )A.干冰易升华,可用于人工降雨B.铜有良好的导电性,可制作导线C.氢氧化钠显碱性,可用来改良酸性土壤D.氮气的化学性质不活泼,可用作保护气2.(2分)下列描述与实验事实相符的是( )A.硝酸铵溶于水,溶液温度升高B.红磷在空气中燃烧发出耀眼的白光C.氢气在空气中燃烧,发出明亮的蓝紫色火焰D.将生锈的铁钉放入稀硫酸中,铁锈逐渐消失,溶液变为黄色3.(2分)有关碳及碳的氧化物的描述不正确的是( )A.一氧化碳可用用来冶炼金属B.一氧化碳有毒,二氧化碳无毒C.碳在氧气...
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