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(A): Molecular mass of polymers is alway...

(A): Molecular mass of polymers is always expressed as an average.
(R) : Generally, a polymer sample contains chains of varying lengths. 

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, Ris not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

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The correct Answer is:
A
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