Chemical Process
Dacron (or terylene) fibres as compared to nylon's fibres have

Poorer resistance to alkalis
All of these
Better heat & acid resistant properties
Poorer dyeability

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
DDT stands for

Diphenyl-dichloro-trichloromethane
Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloromethane
Dichloro-diphenyl-trichloroethane

ANSWER DOWNLOAD EXAMIANS APP