百度试题 结果1 题目Gunpowder consists of a mixture of the following chemicals except ___。 ()。A. charcoal B. sulfur C. potassium nitrate D. Silver 相关知识点: 试题来源: 解析 答案答案: D 反馈 收藏
百度试题 题目Gunpowder consists of a mixture of the following chemicals except _. ( ) A.charcoalB.SilverC.sulfurD.potassium nitrate相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 结果1 题目Gunpowder consists of a mixture of the following chemicals except _. ()A. charcoal B. Silver C. sulfur D. potassium nitrate 相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 题目[单选题] (2分) Gunpowder consists of a mixture of the following chemicals except ___. ( ) A. Silver B. potassium nitrate C. charcoal D. sulfur E. 相关知识点: 试题来源: 解析 A.Silver 反馈 收藏
Compass is also called Sinan. It is invented in China during the Han Dynasty. The spoon on the compass always points (指) to the south. It helps travelers to find their way.Gunpowder is invented in China during the Tang Dynasty. It is a mixture of sulfur, charcoal, and saltpeter. At ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供Gunpowder consists of a mixture of the following chemicals except ___. ( )A.charcoalB.SilverC.sulfurD.potassium nitrate的答案解析,刷刷题为用户提供专业的考试题库练习。一分钟
gunpowdergunpowder 英英释义 noun 1. a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks Synonym: powder
Gunpowder, any of several low-explosive mixtures used as propelling charges in guns and as blasting agents. The first such explosive was black powder—a mixture of saltpeter (potassium nitrate), sulfur, and charcoal—which is thought to have originated i
It is a mixture of sulphur(硫磺), saltpeter(硝石) and charcoal(木炭).Gunpowder was first used for making fireworks to celebrate festivals and important events. Later, it was used as an explosive material. Gunpowder was in great need as there were so many wars during the Song and Yuan ...
Sulphur is a constituent ofgunpowder. 硫是火药的组分. 辞典例句 Thegunpowderwent off unexpectedly. 火药意外地爆炸了. 期刊摘选 He exploded thegunpowderfor fun but it caused the fire. 他爆炸火药找乐子,却造成了大火. 期刊摘选 The barrel ofgunpowderblew up with a loud noise. ...