There are two key terms associated with buffers. Abufferis anaqueous solutionthat has a highly stablepH. Abuffering agentis a weak acid or weak base that helps maintain the pH of an aqueous solution after adding another acid or base. If you add anacidor abaseto a buffered solution, its ...
A. The reaction between salt and water B. The reaction between sugar and water C. The reaction between vinegar and baking soda D. The reaction between oxygen and water 相关知识点: 试题来源: 解析 C。解析:Now let's look at some examples of acid-base reactions in our daily lives. Vinegar...
A. Only in industry B. Only in medicine C. In industry and medicine D. Nowhere 相关知识点: 试题来源: 解析 C。原因:文章中提到 Acid-base reactions have many applications in various fields. In industry, they are used in processes such as neutralization of waste water and production of ferti...
What is one practical application of acid-base neutralization reaction mentioned in the article? A. In the production of plastics. B. In the treatment of acidic waste water. C. In the making of glass. D. In the production of paper. ...
What is formed when an acid and a base react? A. A gas and water B. A salt and carbon dioxide C. A salt and water D. An acid and a base 相关知识点: 试题来源: 解析 C。解析:文章明确指出 When an acid and a base react, they form a salt and water.反馈 收藏 ...
A. Interaction with oxygen. B. Interaction with carbon dioxide. C. Interaction with hydrogen ions or hydroxide ions. D. Interaction with nitrogen. 相关知识点: 试题来源: 解析 C。中文解析:酸碱指示剂颜色变化的科学原理是基于与溶液中的氢离子或氢氧根离子的相互作用。A 选项与氧气作用错误;B 选项与二...
What is formed when an acid and a base react? A. A gas and water. B. A salt and a gas. C. A salt and water. D. An acid and a base. 相关知识点: 试题来源: 解析 C。解析:When an acid and a base react, they form a salt and water.。反馈 收藏 ...
A. To measure the temperature B. To measure the volume C. To change the color of the solution D. To determine the pH of the solution 相关知识点: 试题来源: 解析 D。解析:“Indicators are substances that change color depending on the pH of the solution.”。 反馈...
Buffer: Buffer is defined as the weak base and its conjugate acid. These two are mixed in an appreciable concentration. If too much strong acid or a strong base is added then the buffer can be destroyed. Answer and Explanation: Learn more about this topic: ...
What happened when the acid and base solutions were mixed? A. Nothing happened. B. They formed a neutral substance. C. They became more acidic. D. They became more basic. 相关知识点: 试题来源: 解析 B。解析:酸和碱溶液混合后形成了一种中性物质。