问题
问答题 简答题
何谓指示电极及参比电极？举例说明其作用。
答案
参考答案：
指示电极：电极电位随被测电活性物质活度变化的电极。
参比电极：与被测物质无关、电位已知且稳定，提供测量电位参考的电极。
搜题请搜索小程序“爱下问搜题”
何谓指示电极及参比电极？举例说明其作用。
参考答案：
指示电极：电极电位随被测电活性物质活度变化的电极。
参比电极：与被测物质无关、电位已知且稳定，提供测量电位参考的电极。
| 阅读短文，判断下列各题，正确的画(√)，错误的画(×)。 | |
hair. I like to play badminton. The man is my father. He is a clerk. He goes to work by bus. The woman is my mother. She is shorter than my father. She is a nurse. She goes to work on her bicycle. The little girl is my sister. She is only five years old. She likes to play with her dolls. My family likes to have fun together. We often go to the park to fly kites. We are a happy family. ( ) 1. Peter has short, brown hair. ( ) 2. Peter's father goes to work by bus. ( ) 3. Peter is younger than his sister. ( ) 4. Peter's mother works in a store. |