Question

Which of the following polymers is NOT semisynthetic?

• A. Cellulose acetate rayon
• B. Cuprammonium rayon
• C. Teflon
• D. Cellulose nitrate

Hint:

Semisynthetic polymers are made by chemically modifying natural polymers such as cellulose.

Answer 1

The Correct Option is C

Step 1: Check the source
Three of the options start from cellulose obtained from plants.

Step 2: Teflon
Teflon starts from small synthetic molecules, so it is a synthetic polymer.

Step 3: Conclusion
Teflon is the odd one out.

Final Answer:
Teflon is a synthetic polymer, not a semisynthetic one. \[ \boxed{\text{(C) }\text{Teflon}} \]