Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which of the following acids is known as battery acid used in car batteries?
1
H2SO4
2
HCl
3
H2CO3
4
More than one of the above
5
None of the above