Sodium chloride and water C. Sodium hydroxide and hydrochloric acid D. Oxygen gas and sodium chloride 相关知识点: 试题来源: 解析 B。原因:文章中明确提到 hydrochloric acid (HCl) and sodium hydroxide (NaOH) react to form sodium chloride (NaCl) and water (H₂O).反馈 收藏 ...
What is the function of the oral cavity? What are the functions of hydrochloric acid in the digestive system? What is the composition of saliva? What do mucous cells secrete? What are the functions of these secretions? Describe the specific composition of saliva. ...
The neutralised solution performs a redox reaction on Fehling's reagent, so the result is the red precipitate. First of all, I am interested as to why the heating aqueous solution of sucrose and hydrochloric acid result in the occurrence of foaming. Why does the sod...
A new method for preparing D-Glucosamine hydrochloride using chitosan is provided in CN101210035A. The method includes hydrolysis with hydrochloric acid, cooling crystallization of the mother liquor, filtration and concentration of the filtrate, cooling crystallization of the concentrate, decolorization, ...
Learn about acid-base indicators. Understand what acid-base indicators are, how they work to determine if a solution is acidic or basic, and see the examples. Related to this Question What is the function of the indicator phenolphthalein?
Stomach: The stomach’s muscular walls contract and churn the food, mixing it with gastric juices, which contain hydrochloric acid (HCl) and various enzymes, most notably pepsin (used for protein breakdown). Not only that, the acidic environment of the stomach is hostile to many harm...
Your stomach secretes hydrochloric acid, but the pH of your stomach isn't necessarily the same as the pH of the acid. The pH of your stomach varies, but its natural state is between 1.5 and 3.5.1 This level rises when food enters the stomach; it can reach up to six, but it low...
Nitric acid, also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid.The pure compound is colorless, but older samples tend to acquire
Gastritis, an inflammation of the stomach lining, has three key primary causes. The first is excessive consumption of alcohol, which erodes the stomach's protective mucous lining and promotes the secretion of hydrochloric acid. Taking excessive doses of nonsteroidal anti-inflammatory drugs (NSAIDs)...
What is gastric juice and its function? Gastric juice is a unique combination of hydrochloric acid (HCl), lipase, and pepsin. Its main function isto inactivate swallowed microorganisms, thereby inhibiting infectious agents from reaching the intestine. ...