Essential Chemistry for IGCSE - Polymers (Section 1 - No. 2)
What two functional groups are needed for the formation of a polyester?
Carboxylic acid and alcohol
Amine and alcohol
Amine and carboxylic acid
Ester and alcohol
ব্যাখ্যা
Polyesters are formed by the reaction of a carboxylic acid and an alcohol.