Hydrochloric acid is the reducing agent C. Zinc is oxidized D. Hydrogen in hydrochloric acid is oxidized 相关知识点: 试题来源: 解析 C。解析:反应方程式为Zn + 2HCl = ZnCl₂+ H₂↑。锌的化合价从0升高到 + 2,根据氧化还原反应电子转移的本质,化合价升高的锌失去电子被氧化。
The reaction between zinc and hydrochloric acid is an example of ___. A. combination reaction B. decomposition reaction C. displacement reaction D. double displacement reaction 相关知识点: 试题来源: 解析 C。锌和盐酸反应生成氯化锌和氢气,是一种置换反应,一种单质置换出另一种单质。选项 A 是化合...
回答:锌跟盐酸反应Zn+2HCl=ZnCl2+H2↑
The reaction between zinc and hydrochloric acid produces hydrogen gas. This is a(n) ___ reaction. A. combination B. decomposition C. displacement D. double displacement 相关知识点: 试题来源: 解析 C。锌和盐酸反应生成氢气,这是置换反应。A 选项是化合反应;B 选项是分解反应;D 选项是复分解反应...
Zn + 2Hcl = Zncl2 + H2
The influence of CnTAB cationic surfactant chain length (n = 8, 10, and 12) on the reaction rate of zinc powder and 0.1 M HCl hydrochloric acid in aqueous solutions was determined at room temperature. Solutions of single surfactants consisting of dodecyl, decyl, and octyl鈥恡rimethyl銈沵...
When zinc reacts with dilute hydrochloric acid the surface of zinc becomes? Answer 2. (b) the surface of zinc becomesblack and dull. When zinc reacts with dilute hydrochloric acid the temperature will? Zinc reacts with dilute hydochloric acid to give hydrogenat 17oC. ...
用盐酸从锌烟尘中浸出铅锌试验研究LeachingofLeadandZincFromDustUsingHydrochloric 系统标签: 烟尘盐酸leachingzinc试验hydrochloric 第33卷第1期(总第133期)2014年2月湿法冶金HydrometallurgyofChinaVol.33No.1(Sum.133)Feb.2014DOI:10.13355/j.cnki.sfyj.2014.01.007用盐酸从锌烟尘中浸出铅锌试验研究孙红燕1,森维2,孔...
aYou can do everything,if you want todo! You can do everything, if you want todo![translate] aAbacus Booking Ref 算盘售票Ref[translate] aExtraction of Zinc from Spent Hydrochloric Acid Pickling Liquors 锌的提取从燃尽的盐酸腌制的酒[translate]...
In the present paper, the hydrometallurgical processes have been described for the recovery of zinc from the secondaries using sulphuric acid, hydrochloric acid, ammoniacal solution and sodium hydroxide etc. as lixiviants. The leach solution thus obtained has been purified with respect to dissolved ...