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...
Name:litmus paper;Strip Size:9x70mm;Material:Paper;Type:Red and Blue;pH range:4.5-8.3 at 25C;OEM:Availbale;Application:Laboratory test;Packing:200sheets/box, 500boxes/ctn;Certificate:CE ISO;Sample:Freely Provide;Classification:Other;warranty:3 years;cust
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) 英文名称: Blue litmus paper, ...
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...
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
更新1: To:Yahoo!申请人1号 But according to the suggested Answer the wer of this question should be C.=.= It is alkaline or neutral. blue litmus paper changes red when it is acid. If it is alkaline or neutral it doesn't change colour at all. 2009-01-06 22:11:33...
美 英 un.蓝石蕊试纸 英汉 un. 1. 蓝石蕊试纸
In the experiment, if a substance turns blue litmus paper red, it means the substance is ___. A. acidic B. basic C. neutral D. unknown 相关知识点: 试题来源: 解析 A。解析:在实验中,如果一种物质使蓝色石蕊试纸变红,这意味着该物质是酸性的。B 选项碱性物质会使红色石蕊试纸变蓝;C 选项中性...