When zinc reacts with hydrochloric acid, what is produced? A. Zinc chloride and oxygen. B. Zinc sulfate and hydrogen. C. Zinc chloride and hydrogen. D. Zinc oxide and water. 相关知识点: 试题来源: 解析 C。中文解析:锌和盐酸反应生成氯化锌和氢气。选项 A 生成氧气错误;选项 B 生成硫酸锌...
Yes, it is obvious that copper will not react with hydrochloric acid for the simple reason it's below hydrogen in the reactivity series. So,copper cannot replacethe hydrogen in HCl to form CuCl2 . Hence, when copper (Cu) reacts with hydrochloric acid (HCl) there will be no reaction. Why...
A sample of zinc metal reacts completely with an excess of hydrochloric acid: Zn (s) + 2 HCl (aq) rightarrow ZnCl_2 (aq) + H_2 (g) The hydrogen gas produced is collected over water at 25.0 degree Zinc metal reacts with hydrochloric acid to produce hy...
Zinc metal reacts with hydrochloric acid to produce bubbles of hydrogen gas and zinc chloride. 金属锌与盐酸反应产生氢气泡和氯化锌。 www.023java.com 6. Objective: To prepare zinc chloride oil ointment and establish a method for its quality control. 目的:制备氯锌油软膏剂并建立其质量控制的方法。
Reacts with hydrochloric acid to produce zinc chloride. Reactivity Reacts with sulfuric acid to produce zinc sulfate. Reacts with hydrogen fluoride to produce zinc fluoride tetrahydrate. Gradually absorbs CO2 on exposure to air. Sublimes at normal pressure. ...
Usually, sulphuric acid, hydrochloric acid, ammonia/ammonium carbonate, ammonium chloride, caustic soda, carboxylic acid etc. are used as lixiviants for the dissolution of zinc. Different processes developed on bench, pilot and commercial scale have been highlighted. The metal from the leach solution...
Zinnwaldite Acid leaching HCl, Na2CO3108 °C, 70% Highly pure > 98% Li was obtained Not environmentally viable (Martin, Pätzold et al., 2017) Zinc is another critical metal that plays a vital role in the world’s economy. But due to the shortage of zinc mines, the recovery of...
Zinc burns in air with a bright bluish-green flame, giving off fumes of zinc oxide.[35] Zinc reacts readily with acids, alkalis and other non-metals.[36] Extremely pure zinc reacts only slowly at room temperature with acids.[35] Strong acids, such as hydrochloric or sulfuric acid, can...
[26] Zinc reacts readily with acids, alkalis and other non-metals.[27] Extremely pure zinc reacts only slowly at room temperature with acids.[26] Strong acids, such as hydrochloric or sulfuric acid, can remove the passivating layer and subsequent reaction with water releases hydrogen gas.[26...
After washed with deionized water, the pH value of the filtered precipitates was adjusting with hydrochloric acid, and hydrothermal reacted at 100 deg C. to 220 deg C. with ethylene glycol or cyclohexamethylene tetramine as protection agent. It is claimed that zinc oxide particles with size of...