Which of the following is not a semi-syntheti | vedclass

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(A) Semi-synthetic polymers are derived from naturally occurring polymers by chemical modifications. $1$. Cellulose nitrate and cellulose acetate are

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cis-Isoprene

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(A) Semi-synthetic polymers are derived from naturally occurring polymers by chemical modifications. $1$. Cellulose nitrate and cellulose acetate are semi-synthetic polymers derived from cellulose. $2$. Vulcanized rubber is a semi-synthetic polymer where natural rubber is treated with sulfur. $3$. $cis$-Isoprene is the monomer unit of natural rubber,which is a natural polymer,not a semi-synthetic one.

List-$I$ (Polymer Type)	List-$II$ (Example)
$(A)$ Fibre	$(I)$ Bakelite
$(B)$ Elastomer	$(II)$ Polystyrene
$(C)$ Thermosetting polymer	$(III)$ Neoprene
$(D)$ Thermoplastic polymer	$(IV)$ Dacron

Which of the following is not a semi-synthetic polymer?

Similar Questions

Match the items in List-$I$ (Polymer Type) with the items in List-$II$ (Example):
List-$I$ (Polymer Type) List-$II$ (Example)
$(A)$ Fibre $(I)$ Bakelite
$(B)$ Elastomer $(II)$ Polystyrene
$(C)$ Thermosetting polymer $(III)$ Neoprene
$(D)$ Thermoplastic polymer $(IV)$ Dacron

Which of the following is not a polymer?

$[NH(CH_2)_6-NHCO(CH_2)_4CO]_n$ is a

Which among the following polymers is obtained by treatment on natural polymer?

Which among the following is $NOT$ a semi-synthetic polymer?

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