When red litmus paper is placed into a basic substance, it will turn blue. If it comes in contact with an acidic or neutral substance, it will remain red. Red litmus paper is meant to test only for an alkaline pH level. Common acids include include tartar sauce, corn, bacon and beer....
英[blu: ˈlɪtməs ˈpeipə] 美[blu ˈlɪtməs ˈpeɪpər] 释义 蓝石蕊试纸 实用场景例句 全部 Test: turns blue litmus paper red. 做个试验吧,能把蓝色的石蕊试纸变成红色. 互联网 They turn blue litmus paper red. 他们把蓝色石蕊试纸变红. 互联网 释义 实用场景例句...
litmus red test paper 红色石蕊试纸 blue printing paper 晒图纸 litmus bouillon 【医】 石蕊肉汤 litmus gelatin 【医】 石蕊明胶(培养基) 相似单词 litmus n. 石蕊 blue a. 1. 蓝色的;天蓝色的,蔚蓝的 2.(皮肤等)青灰色的,青紫色的 3.【口】悲伤的;沮丧的;忧郁的;紧张不安的 4. 缺乏欢乐的...
Blue litmus paper, pH value color change range: 8.0 (blue) ~ 4.5 (red)|蓝石蕊试纸, PH值变色范围:8.0(蓝色)~4.5(红色) 基本信息更多信息 中文名称:蓝石蕊试纸, PH值变色范围:8.0(蓝色)~4.5(红色) 中文同义词:蓝石蕊试纸, PH值变色范围:8.0(蓝色)~4.5(红色) ...
alkaline solution, red litmus paper turns blue. When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline. Red litmus paper can also be used to test the pH of a water-soluble gas by dampening the paper and exposing it to the gas...
A. acid B. base C. salt D. water 相关知识点: 试题来源: 解析 B。原因:“For example, litmus paper can turn from red to blue in the presence of a base and from blue to red in the presence of an acid.”。 反馈 收藏
Litmus paper is a commonly used tool in chemistry to test the pH of a substance. It comes in two different colors: red and blue. In this article, we will focus on the blue litmus paper and its unique properties. Blue litmus paper is used to test substances that are acidic in nature....
Litmus paper blue 蓝色石蕊试纸 MACHEREY-NAGEL 91106 当条件从碱性变为酸性时,颜色从蓝色变为红色。石蕊试纸是已知的中和分析指示剂试纸。 技术数据: 产品类型:Litmus paper blue 产品编号:91106 测试项目:pH 检测限:pH 8.0-5.0 颜色变化:蓝色→红色
美 英 un.蓝石蕊试纸 英汉 un. 1. 蓝石蕊试纸
Litmus Paper Test:The litmus paper test is a simple test in order to determine whether a given solution is acidic or basic. After placing a drop of solution on the litmus paper, if it changes a red litmus paper to blue, the solution is basic. If it changes a blue litmus paper...