百度试题 结果1 题目This change of state is a ___ change and not a chemical change. A. body B. physica C. mind D. mental 相关知识点: 试题来源: 解析 B 反馈 收藏
结果一 题目 This change of state is a ___ change and not a chemical change. A. body B. physical C. mind D. mental 答案 B 相关推荐 1 This change of state is a ___ change and not a chemical change. A. body B. physical C. mind D. mental 反馈 收藏 ...
题目 This change of state is a ___ change and not a chemical change. A. body B. physical C. mind D. mental 扫码下载作业帮拍照答疑一拍即得 答案解析 查看更多优质解析 举报 B 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 二维码 回顶部©2021 作业帮 联系方式:service@zuoyebang....
This change of state is a change and not a chemical change. A. body B. physical C. mind D. mental
BROSNAN, T., When is a chemical change not a chemical change? Education in Chem- istry, 36 (2), 56, 1999.Brosnan, T. When is a chemical change not a chemical change, Educ. Chem., 36(2), 56, 1999.Brosnan, T. (1999). When is a chemical change not a chemical change?
A. Iron rusting. B. Burning wood. C. Cooking an egg. D. Water boiling. 相关知识点: 试题来源: 解析 D 钢铁生锈,木头燃烧,煮鸡蛋,都是发生了化学变化;而水被煮沸,是物理变化.是否是化学变化,就看是否产生了新的物质.反馈 收藏
25. Which one of the following is not a kind of chemical change?A. Iron rusting. B. Burning wood. C. Cooking an egg. D. Water boiling. 相关知识点: 试题来源: 解析 D D水沸腾(从液态变为气态)不是化学变化.A铁生锈,B木材燃烧和C煮鸡蛋都是化学变化.反馈 收藏 ...
aIn a chenical change,energy is not created,nor is it destroyed. 在chenical变动,能量没有被创造,亦不是它毁坏了。 [translate] agrateful to 感恩 [translate] aIn a chemical change,energy is not created,nor is it destroyed. 在化学变化,能量没有被创造,亦不是它毁坏了。 [translate] ...
aPhysical change: A process that does not change the chemical make-up of the starting materials 物理变动: 不改变原材料的化工构成的过程 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51La ...
A.Industrial development includes the simppfication of complex chemical processes B.Diluting wastes needs certain amount of water C.Demands for water will go up along with the expanding population D.Intensive cultivation of land requires more and more chemicals 免费查看参考答案及解析 题目: [...