河南省信阳市信阳高级中学2023—2024学年高三上学期第一次模拟 化学
1河南省信阳高级中学2023-2024学年高三上期11月一模化学试题命题人:张春燕审题人:贾丹丹一、选择题(每题只有一个正确选项,每题3分)1、《流浪地球》被称为“第一部中国自己的科幻大片”,电影中涉及很多有趣的知识。下列说法错误的是A.影片幻想了太阳氦闪,地球将被摧毁。氦气属于稀有气体、是空气的成分之一B.电影中由硅、碳、氧、硫等元素经过一系列变化能变成铁,该过程属于化学变化C.固定太空电梯的缆绳材料最有可能是碳纳米管(如图1),碳纳米管与互为同素异形体D.取ag偏二甲肼(火箭推进剂)在氧气中恰好完全反应,如图2,则偏二甲肼中不含氧2、化学用语可以表达化学过程,下列化学用语的表达错误的是A....
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