Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which acid is present in the human stomach?
1
Lactic acid
2
Tartaric acid
3
Hydrochloric acid
4
More than one of the above
5
None of the above