Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Reaction
The autocatalyst formed in the reaction of acidified potassium permanganate with oxalic acid at high temperature is
1
MnSO4
2
MnO2
3
MnSO3
4
More than one of the above
5
None of the above