Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Periodic Table
The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is:
1
10
2
20
3
30
4
More than one of the above
5
None of the above