Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
______ is most commonly formed by reaction of an acid and an alcohol.
1
Ethanol
2
Esters
3
Carboxylic acid
4
More than one of the above
5
None of the above