Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Surface Chemistry
At the end of the chemical reaction the catalyst remains
1
Unchanged in quantity but changed in composition
2
Unchanged in quantity and composition
3
Unchanged in composition but changed in quantity
4
More than one of the above
5
None of the above