A. the acid and alkali can neutralize each other B. acid and alkali should not be mixed C. the reaction between acid and alkali is dangerous D. the neutral state is the best state 相关知识点: 试题来源: 解析 A。解析:A选项说酸和碱可以互相中和,这与实验结果“混合物变成中性”相符合。B选...
Disclosed is an alkali fusion reaction still for producing H-acid. The alkali fusion reaction still comprises a still body, a jacket for guiding heating oil is arranged outside the still body, at least one inlet is arranged at the bottom of the jacket, and at least two outlets are ...
reaction can occur. 2. use the conditions for the occurrence of the double decomposition reaction to correctly write the chemical equations involved in this chapter There are many students remember the properties of acid and alkali and common salt, but exposure to specific reaction specific...
reaction mechanismThe reaction of dialkyl alkanephosphonates (methyl, ethyl, isopropyl) with alkali and earth alkali metals, respectively, has been investigated. These metals reacted with phosphonates yielding the corresponding salts of monoalkyl alkanephosphonates with the evolution of a mixture of ...
Incompatible with oxidizing agents, alkalies, iron, copper. InChIKey CIWBSHSKHKDKBQ-JLAZNSOCSA-N LogP -1.85 Substances Added to Food (formerly EAFUS) ASCORBIC ACID SCOGS (Select Committee on GRAS Substances) L-Ascorbic acid FDA 21 CFR 101.9; 104.20; 310.545 CAS DataBase Reference 50...
The traditional method of preparation of hydrochloric acid is the reaction of metal chlorides, especially sodium chloride with sulfuric acid (see the first reaction described). Hydrochloric acid is also produced by direct synthesis from its elements. In the chlorine-alkali industry, electrochemical reac...
10 Which reaction is endothermic?C A acid neutralising alkali causing a temperature increase B adding magnesium to hydrochloric acid C calcium carbonate decomposing when heated D combustion of fossil fuels 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and ...
Indirect absorbance detection of alkali metals can be performed using eluents such as 4-methylbenzylamine (262 nm) and Cu2+ (252 nm). However, the detection limits are inferior to those obtained with suppressed conductivity. Inorganic cations by post-column reaction detection The most common means...
THE reaction of a solution of DNA with an alkylating agent such as dimethyl sulphate results in the production of acid as the alkylating agent is hydrolysed by water. To maintain the solution at a constant p H, the liberated acid must be neutralized by the continuous addition of alkali or ...