Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which of the following is produced when zinc oxide reacts with carbon?
1
Only CO
2
Only Zn
3
Both Zn and CO
4
More than one of the above
5
None of the above