![Trending Articles on Technical and Non Technical topics](/images/trending_categories.jpeg)
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
(a) What is an indicator? Name three common indicators.
(b) Name the acid-base indicator extracted from lichen.
(c) What colour does the turmeric paper turn when put in an alkaline solution?
(a) An indicator is a "dye" that shows a distinct change in colour (or smell in case of olfactory indicator) when put in acid or base.
Litmus, Methyl orange and phenolphthalein are examples for indicators.
(b) Litmus is the acid-base indicator extracted from lichen.
(c) When turmeric paper is dipped in alkaline solution it will turn red.
Advertisements