టెఫ్లాన్ అంటే ఏమిటి ?  

1
(C2F4)n
2
(C4F2)n
3
(k2Cr2O7)n
4
(CF)n

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation