Essential Chemistry for IGCSE - Polymers (Section 1 - No. 16)
Which two functional groups are present in the monomers used to make a polyamide?
Alcohol and amine
Carboxylic acid and alcohol
Carboxylic acid and amine
Alcohol and ether
Giải thích
Polyamides (like nylon) are formed from carboxylic acids and amines.