A. Citric acid in lemons B. Acetic acid in vinegar C. Hydrochloric acid in stomach D. Carbonic acid in soda 相关知识点: 试题来源: 解析 C。解析:柠檬中的柠檬酸、醋中的醋酸、汽水中的碳酸都是弱酸,而胃中的盐酸是强酸,酸性相对更强,所以C正确。反馈...
- Common Acid Used: Vinegar (acetic acid) is often used to neutralize wasp stings because it can help to counteract the alkaline nature of the venom. 2. In Alkaline Batteries: - Alkaline batteries contain a basic electrolyte. The most common base used in alkaline batteries is potassium hydroxi...
Acetic acid fabric, commonly known as acetic acid cloth, also known as Yasha, is the Chinese homophonic pronunciation of English acetate. It is a kind of pure natural wood pulp fiber extracted from the best quality conifer pulp. It is made by leading textile technology. It has bright color,...
aAcetic acid is the main compound in these acidic compounds which contribute to the flavor 乙酸是主要化合物在对味道贡献的这些酸性化合物[translate]
The influence of indolylacetic acid (IAA) and of maleic hydrazide (MH) on the time at which flower buds develop in Perilla ocymoides LNot Availabledoi:10.1007/BF00628674Krajewska ESpringer-VerlagNaturwissenschaften
ait shall be demonstrate by test that the friction coeffecient is greater than the valve used in the project 它是demostrate将由测试摩擦coeffecient大于用于项目的阀门[translate] aAvoid any acetic acid or chlorine compounds, which are harmful to the LCD module. 避免所有乙酸或氯化物,对LCD模块是有...
What ions and / or molecules are present in relatively large proportions in a solution of a strong acid HI (aq)? Which of the following acids will have the highest K_a value? a) NaH b) H_2S c) H_2S Which of the fol...
The conversion of (+)-catechin to (+)-epicatechin is a prerequisite step for microbial metabolism [47]. These monomers are typically metabolized to form 5-(3′,4′-dihydroxyphenyl)-γ-valerolactone, 5-phenyl-γ-valerolactone and phenylpropionic acid [47]. The majority of cocoa PCs are ...
Bioreactor for enzymatic reaction of fat and fatty acid derivatives. Part IV. Continuous hydrolysis of olive oil by lipase in microporous hydrophobic hollo... Olive oil was hydrolyzed continuously at 40&;C by in a small hollow fiber bioreactor (total area of hollow fibers was about 0.11m2) in...
When an acid is introduced into this buffer, which of {eq}H_2CO_3 {/eq} and {eq}HCO_3^- {/eq} reacts with the acid to maintain the pH of the solution? pH and Buffers When some subs...