Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) General Science Chemistry Equilibrium
Which of the following set represents natural indicators for acids-bases ?
1
Phenolphthalein, litmus
2
Litmus, turmeric
3
Chinarose, methyl orange
4
Turmeric, phenolphthalein
5
Question Not Attempted