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...
When zinc reacts with hydrochloric acid, thereaction bubbles vigorously as hydrogen gas is produced. The production of a gas is also an indication that a chemical reaction is occurring. Zinc reacting with hydrochloric acid produces bubbles of hydrogen gas. ... All chemical changes involve a trans...
Zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following equation: Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g) The product H2 is collected over water at a temperature of 20 deg C and a pressure of 757 mm Hg. If the w...
(C6H5)4BNa, which reacts with the potassium ions to form potassium tetraphenylborate (C6H5)4BK which is white and has a poor solubility in water thus forming colloidal particles[39]. The turbidity is monitored and is proportional to the potassium ion concentration, thus making it limited ...
Odor Control: It reacts with sulfide to minimize release of H2S gas in waste treatment facilities. Oil-Gas Wells: High-density solutions of Zinc Chloride and calcium chloride give good performance in well completion and work-over operations; the solutions also used as packer fluids under certain...
ReactionsZinc oxide reacts with mineral acids to yield corresponding zinc salts when the solution is evaporated. Thus, with sulfuric acid it forms zinc sulfate (hydrated): ZnO + H2SO4 → ZnSO4 + H2O Reactions with organic acids such as acetic or propionic acid yields zinc acetate, (CH3COO)...
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...
At the beginning, the carbonyl group in Zn acetylacetonate reacts with the hydroxyl group in ethylene glycol. This reaction breaks the Zn element away from the carbonyl group, followed by its subsequent combination with the carboxyl group on 1,2,3,4-butanetetracarboxylic acid (BTCA), forming a...
take about lg of this product, Add 10ml of dilute hydrochloric acid, heat and stir to dissolve zinc oxide, let it cool, filter, and the filtrate shows the identification reaction of zinc salt (General rule 0301). examination should comply with the relevant provisions under ointment (General ...
2.7 Water Solubility Sparingly soluble in hydrochloric acid, nitric acid, and ammonium hydroxide. 2.8 Stability hygroscopic3. Use and Manufacturing3.1 Description Zinc fluoride, with the chemical formula ZnF2, has the CAS number 7783-49-5. It appears as a white crystalline solid with no odor. ...