Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which of the following acid is found in human stomach?
1
Hydrochloric acid
2
Sulfuric acid
3
Nitric acid
4
More than one of the above.
5
None of the above