NDA 2024 Biology question
Litmus, a well-known acid-base indicator, is derived from :
Answer: (B)
Solution
Litmus is a purple dye extracted from lichens. It turns red in acidic solutions and blue in basic solutions.
Litmus, a well-known acid-base indicator, is derived from :
Litmus is a purple dye extracted from lichens. It turns red in acidic solutions and blue in basic solutions.