2012年四川省眉山市中考化学试卷(含解析版)
2012年四川省眉山市中考化学试卷一、选择题(本大题共16小题,每小题2分,共32分)1.(2分)下列物质的性质中,属于化学性质的是( )A.家中食醋有酸味B.浓硫酸能使小木棍变黑C.食盐能溶解于水D.干冰能升华2.(2分)下列对于化学式“H2O”的各种表述不正确的是( )A.表示水这种物质B.表示水分子由氢元素和氧元素组成C.表示1个水分子D.表示1个水分子由2个氢原子和1个氧原子构成3.(2分)物质的性质决定用途.下列有关说法正确的是( )A.亚硝酸钠具有咸味,故可替代食盐烹调食物B.火碱具有碱性,故可用于改良酸性土壤C.一氧化碳具有还原性,故可用于治金工业D.高锰酸钾受热分解生成氧...
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