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
Answer Step by step video & image solution for A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is : by Chemistry experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/2023Class...
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 to red, the so...
A colourless salt gives violet colour to Bunsen flame and also turns moistured litmus paper blue. It is : ANa2CO3 BKNO3 CK2CO3 DCu(OH)2Submit A colourless salt gives violet colour in bunsen flame, it may be ANa2CO3 BNa2CrO4 CK2CO3 DBaCO3Submit A colourless salt gives violet colour ...
There are many such indicators and the most commonly used ones are litmus paper and phenolphthalein. Answer and Explanation: Phenolphthalein is the most commonly used indicator to identify bases. When phenolphthalein is added to an acid, it remains colorless. When......
A reddish brown gas B A colourless gas which turns moist red litmus blue C A green coloured gas which turns moist blue litmus paper red D A colourless gas which turns lime water milky. Video Solution free crash course Study and Revise for your exams Unlock now ...
The substance which can turn blue litmus to red is : View Solution The substance that turns blue litmus to red are ___in nature. View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage...
What changes are observed when a soap solution is tested with a red and a blue litmus paper ? View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...