2014年四川省绵阳市中考化学试卷(A)(学生版)
2014年四川省绵阳市中考化学试卷(A)一、选择题(每小题3分,每小题只有一个选项最符合题目要求)1.(3分)化学与生产、生活密不可分,化学物质的应用非常广泛,下列物质的应用是由化学性质决定的是( )A.石墨用于制铅笔芯B.金属铜作导线C.氦气用作焊接金属保护气D.金刚石作钻探机的钻头2.(3分)宁强同学为了锻炼自己的意志,决定中考结束后参加一个野外生存训练活动,他为此准备了下列用品,其中不含有机合成材料的是( )A.有机玻璃水杯B.尼龙布制作的帐篷C.腈纶布制作的雨伞D.纯棉T恤3.(3分)下列叙述正确的是( )A.自然界中所有元素的原子都由质子和中子构成B.混合物一定由两种或两种以上...
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