" Which of the following polymers have ester linkage? "

Which of the following polymers has amide linkage?

How many of the following polymers with ester linkage ? Dacron, Teflon, Gyptal, PHBV, PMMA poly lactic acid, polyglycolic acid, nylon-6,6, nylon-6

Which of the following does not have peroxy linkage.

Which of the following polymers contains ester bond

Which of the following compounds have peroxo linkage ?

Which of the following does not have S-S linkage ?

Which of the following does not have S-S linkage?