- What is the PH of lemon juice?A. 2B. 5C. 7D. 9 相关知识点: 试题来源: 解析 A 题目是选择题,分析如下:- **A. 2**:正确。柠檬汁富含柠檬酸,属于强酸性液体,其pH值范围通常在2到3之间,故选项中2(A)最接近。- **B. 5**:错误。pH 5属于弱酸性,与柠檬汁的实际酸性强度不符(例如苹果汁...
Lemons are extremely acidic. Any chemical with apHless than 7 is considered acidic. Lemon juice has a pH of around 2.0, ranging between 2 and 3. To put that in perspective, the pH ofbattery acid(sulfuric acid) is 1.0, while the pH of an apple is about 3.0. Vinegar (a weak acetic ...
What is the pH of lemon juice?Acids and Bases:The pH of a substance tells whether it is an acid or a base. In chemistry, the pH scale covers a range from 0, which is very acidic, to 14, which is very basic. The middle of the scale, 7, is considered to be neutral....
What is the pH of lemon juice? What phytochemicals do pineapples provide? What is the difference between a fruit and a vegetable? What phytochemicals are in green apples? What is a Rosaceae cultivar? What is tropical wood? What flower smells like a lime?
B.Both have little effect on our immune system.C.Both can be beneficial to nerve cells.D.Both balance the PH levels in our body. 相关知识点: 试题来源: 解析 D 这道题需要分析柠檬汁和盐在缓解头痛中的共同作用机制:**选项A**(维持血糖平衡):柠檬汁的膳食纤维可能间接影响糖代谢,但盐与血糖平衡...
A. it 它,代指前面提到的具体事物; B. that 那个,代指不可数名词; C. this 这个; D. one 一个,代指单数可数名词。 此处代指 a glass of lemon juice,故用it。 故选:A。结果一 题目 ( ) —Chinese Voice is the most popular programme, I think.—That's true. But not likes it, I'm afra...
At 25 C, the pH of pure water is very close to 7. Acids have a pH less than 7, while bases have a pH higher than 7. Because it has apHof 7, water is considered to be neutral. It is neither an acid nor a base but is the reference point for acids and bases. ...
What is the pH of lemon juice if the {H^+} = 6.5 x 10^{-4}? Calculate the pH of (H_3O^+) = 7.6 times 10^{-11} M. Calculate the pH of (H_3O^+) = 3.5 times 10^{-8} M. Calculate the pH of (H_3O^+) = 7.6 times 10^{-3} M. Calculate the pH o...
The approximate pH values of some common substances are: Battery acid = 0-1 Stomach acid = 1-2 Lemon juice = 2-3 Vinegar = 2-3 Fizzy drinks = 3 Orange juice = 3.5 Shampoo = 5.5 Normal skin = 4-6 Pure water = 7 Blood = 7.4 ...
百度试题 结果1 题目A lemon is yellow. What color is its juice? It's yellow. Yellow is the color of lemon juice.相关知识点: 试题来源: 解析 答案:Yellow。柠檬汁是黄色的。反馈 收藏