1.

_ Size range of polymer molecules varies from __________ metre.$?

A. 10⁻² to 10⁻⁵
B. 10⁻⁴ to 10⁻⁷
C. 10⁻¹ to 10⁻²
D. 10⁻⁸ to 10⁻¹⁰
Answer» B. 10‚Äö√Ö¬™‚Äö√Ö¬• to 10‚Äö√Ö¬™‚Äö√Ö‚àë


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