Question

solution
Column B
Column A
1. Tartaric acid
medium 2. Sodium hydroxide
3. Litmus
4. China rose
a bert 5. Phenolphthalein
(a) natural indicator
(b) lichen
(c) tamarind
(d) synthetic indicator
(e) soap solution​

Answer 1

Answer:

a-3

ahed I don't know man sorry