A. paper B. pen C. ruler D. test tube 相关知识点: 试题来源: 解析 A。选项 B“pen”是笔,不能用来测试物质酸碱性;选项 C“ruler”是尺子,也不行;选项 D“test tube”是试管,是容器不是测试酸碱性的工具。而“paper”可以是 pH 试纸,用来测试物质酸碱性。反馈 收藏 ...
To find out if a substance is acidic or basic, we can use: A. Voltmeter B. pH indicat
For testing if a substance is acidic or basic, which tool do we use, pH test paper or a thermometer? A. pH test paper B. Thermometer C. Both D. Neither 相关知识点: 试题来源: 解析 A。解析:pH 试纸用于检测物质的酸碱性,温度计用于测量温度。选项 B 温度计不能检测酸碱性;选项 C 两者不...
which is why you will find it inapplications ranging from laboratory reagents and industrial cleaning agentstonail polish removers and paint thinners. However, a commonquestionthat arises hereis whetheracetoneisacidic or basic. Well, to answer that, we need to visit its molecular structure.It has...
How do you know if pOH is acidic or basic? Define pH and pOH. Determine the pH of acidic and basic solutions. Determine the hydronium ion concentration and pOH from pH. ... Knowing the dependence of pH on [H3O+], we can summarize as follows: ...
We will explore whether Phthalimide is acidic or basic and delve into the reasons behind its acid-base properties. Is Phthalimide Acidic or Basic? Firstly, we need to understand the structure of Phthalimide. The Phthalimide molecule contains two imide groups. An imide is a compound that contains...
Acidic & Basic Salt Solutions | Definition, Uses & Examples from Chapter 14 / Lesson 6 49K Distinguish if a salt is acidic or basic and the differences. Discover what acidic and basic salts are, see examples, and predict the pH of salt solutions. Related...
Is FeCl3 a Lewis acid or base? FeCl3 isa Lewis acidbecause it can accept an electron pair from a Lewis base. Why is FeCl3 neutral? This is due to theformation of complex with Fe. Acidic or basic FeCl do not give this reaction with phenol because if the ferric chloride is acidic or ...
Is Glucose Acidic or Basic?. Ans: Hint :Glucose has a molecular formula $ {{C}_{6}}{{H}_{12}}{{O}_{6}} $ and is a simple sugar. Glucose is the most common monosaccharide, a type of carbohydrate. Glucose is primarily produced by plants and most alga...
Let’s understand the nature of H3PO4 (acidic or basic) with the help of the above theories Arrhenius theory for acid: When H3PO4 is dissolved in water, it breaks down into two constituent ions, H2PO4‾ and H+. So, according to Arrhenius’s theory, it acts as an acid. ...