精品解析:2023年江苏省连云港市中考化学真题(解析版)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】化学试题(共60分)可能用到的相对原子质量:H1 C12 O16 Cl35.5 Ca40 Fe56一、选择题(本题包括12小题,每小题2分,共24分。每小题只有一个选项符合题意)1.宋代许道宁用墨(主要成分为单质碳)所画的《关山密雪图》保存至今而不变色,这是因为在常温下单质碳A.化学性质不活泼B.硬度高C.导电性能好D.吸附能力强【答案】A【解析】【详解】A、常温下单质碳化学性质不活泼,不易发生反应,所以所画的画能保存至今,故A正确;B、碳可作为墨,硬度较小,故B错误;C、用碳画的画保存至今与导电性无关,故C错误;D、用碳画的画保存至今与...
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