Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which of the following is NOT used as an indicator to detect acid or base?
1
Table salt
2
Red cabbage
3
Turmeric
4
More than one of the above
5
None of the above