Which of the following polymers is used to obtain hose pipes for transport of gasoline?
- A$PVC$
- BNeoprene
- CBuna-$S$
- DBuna-$N$
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Match List-$I$ with List-$II$.
List-$I$ (Name of polymer) List-$II$ (Uses) $A$. Glyptal $I$. Flexible pipes $B$. Neoprene $II$. Synthetic wool $C$. Acrilan $III$. Paints and Lacquers $D$. $LDP$ $IV$. Gaskets
Choose the correct answer from the options given below:
| List-$I$ (Name of polymer) | List-$II$ (Uses) |
|---|---|
| $A$. Glyptal | $I$. Flexible pipes |
| $B$. Neoprene | $II$. Synthetic wool |
| $C$. Acrilan | $III$. Paints and Lacquers |
| $D$. $LDP$ | $IV$. Gaskets |
Choose the correct answer from the options given below:
If $\bar{M}_w$ is the weight average molecular weight and $\bar{M}_n$ is the number average molecular weight of a polymer,the poly dispersity index $(PDI)$ of the polymer is given by
Which of the following polymers is used to obtain rubber belts?
Gun-cotton is
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View SolutionNatural rubber is a polymer of $.......$
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