Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Organic Chemistry
Lactic acid shows which type of isomerism ?
1
Geometrical isomerism
2
Tautomerism
3
Optical isomerism
4
More than one of the above
5
None of the above