Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Complete the equation: Zinc + Sulphuric acid → Zinc sulphate + _____
1
Hydrogen
2
Water
3
Oxygen
4
More than one of the above
5
None of the above