Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
The gas produced when sodium carbonate reacts with hydrochloric acid is:
1
Carbon dioxide
2
Oxygen
3
Hydrogen
4
More than one of the above
5
None of the above