您所在的当前位置：初中化学试题

> 2011年5月，台湾传出“毒饮料事件”，一些厂商在饮料中违法添加了“塑化剂”。塑化剂的主要成分为邻苯二甲酸二辛酯，其化学式为C 24H 38O 4下列说法中正确的是 A．邻苯二甲酸二辛酯是有机高分子 B．C24H38O4中碳、氧元素质量比为6：1 C．邻苯二甲酸二辛酯对人体无害 D．一个C24H38O4分子中含有66个原子

问题：

发布时间：2024-09-07

2011年5月，台湾传出“毒饮料事件”，一些厂商在饮料中违法添加了“塑化剂”。塑化剂的主要成分为邻苯二甲酸二辛酯，其化学式为C ₂₄H ₃₈O ₄下列说法中正确的是

A．邻苯二甲酸二辛酯是有机高分子 B．C₂₄H₃₈O₄中碳、氧元素质量比为6：1

C．邻苯二甲酸二辛酯对人体无害 D．一个C₂₄H₃₈O₄分子中含有66个原子

参考答案：

提问用户：hq***5fG

可能感兴趣的题目：

1 阅读理解。 Visitors to Britain are always complaining about English food. But they do not really know what they are talking about because they rarely get a chance to eat it. Most of the restaurants in large towns have foreign owners and serve foreign food. When visitors are invited to eat in an English home, their hosts often feel they must offer them something foreign and exotic (奇特的) . Those of us who do know English food realize that at its best it can be really very good. On the other hand it is true to say that it is sometimes terrible. Part of the problem is that we are not really interested in food-we eat to live, we don"t live to eat. So we don"t generally spend necessary time and effort needed to cook really good meals or ready prepared food which only needs heating up before eating. You can find the best English food in the country away from large towns, where life is slower and people are not in such a hurry. But more visitors come to London because they are interested in shopping and sightseeing. They do not come because of food, so why should they complain about it? 1. Visitors to Britain are always complaining about English food because _____. A. they don"t often eat English food B. they know little about English food C. they only eat English food in English home 2. When English people have guests they prefer to ____ . A. cook some unusual food B. offer them some prepared food C. serve them food they are used to 3. Which of the following statements is right? A. People don"t want to spend time and effort in cooking. B. People like to cook in a quick easy way. C. English food is neither good nor terrible. 4. Visitors can find the best English food _____ . A. in the restaurants in large towns B. in the country C. in English homes 5. The conclusion suggests _____. A. visitors have the rights to complain about English B. as well as food people come to shopping and sightseeing C. the criticism (批评) of English food is unfair
2 在CCTV-1的天气预报中，表示霜冻的符号是（）
3 2013年.是（）电站机组陆续投产发电的第十年，实时监测数据显示，截至2013年10月19日10时已立即发电总量达到7008.35千瓦时。 A．葛洲坝Ｂ.三峡 C.龙羊峡 D．刘家峡
4 下列关于各种生殖发育错误的叙述是（） A．蝗虫的发育过程：受精卵→若虫→蛹→成虫 B．家蚕的发育是完全变态发育 C．卵黄是鸟胚胎发育的主要场所 D．人体胎儿发育的场所是子宫
5 文学常识填空。（1）《与朱元思书》的作者________，是________（朝代）文学家。字________，吴兴故鄣人。他的散文以写景见长，有人仿效他的文体，称“ ________”。（2）陶潜，________时期的文学家和诗人。字_______，号________，世称靖节先生，有《________》传世。（3）韩愈，字________，_____代著名______家，他的著作收在《________》里。（4）宋濂，字景濂，号潜溪，____（朝代）文学家。他的散文清新简洁，行文善于变化思想也比较深刻。朱元璋称他是“_____”，刘基赞许他“_______ ”，四方学者称他“________”。宋濂与 _______、________ 并列为明初诗文三大家。本文节选自《________》，这里“序”的意思是________。
6 西周开始，出现了诸侯的称呼，众多的诸侯是通过（）产生的 A．奴隶制 B．世袭制 C．分封制 D．禅让制
7 林肯解放黑人奴隶宣言限定的范围是 [ ] A．解放叛乱各州的奴隶 B．解放南方各州的奴隶 C．解放实行奴隶制各州的奴隶 D．解放美国所有的奴隶
8 如图所示的杠杆，每个砝码重均为1 牛顿，杠杆处于平衡状态，若在杠杆两边各减去一个砝码，则 [ ] A．杠杆保持平衡 B．杠杆左边向下倾 C．杠杆右边向下倾 D．无法判断
9 下列句子中加粗的成语运用有误的一项是 [ ] A．“感动温州”人物 “兰小草”是谁，无人知晓，但“兰小草”的善举，家喻户晓。 B．“地沟油事件”在众多社会热点中出类拔萃，成为大家关注的焦点。 C．温州是水乡，河网纵横交错，这给各地的端午节划龙舟活动带来了便利。 D．乔布斯锐意进取，百折不挠，创造了“苹果神话”，成了许多人的精神偶像。
10 最近，一组教爸妈用微信的漫画在微博上走红，漫画图文并茂、充满温情，得到许多网友的点赞。这表明孝敬父母 ①要落实到具体行动中，从小事做起 ②就是教会父母用手机学会发微信 ③心里要想着父母，理解、关心父母 ④应努力学习、积极上进，让父母高兴 A．①② B．③④ C．①③ D．②④