PTFE യുടെ പൂർണ രൂപം ഏത് ?APoly tetrafluoro etheneBPoly trichloroethyleneCPoly tetrafluoro acetyleneDPoly ethylene fluorideAnswer: A. Poly tetrafluoro ethene Read Explanation: Poly tetrafluoro ethene (Teflon) – PTFE: Read more in App