Polymers · Chemistry · AP EAPCET

$$ \text { Match the following : } $$

$$ \begin{array}{llrl} \hline & \text { List-I (Use) } & & \text { List-II (Substance) } \\ \hline \text { A. } & \text { Electrodes in batteries } & \text { I. } & \text { Polypropylene } \\ \hline \text { B. } & \text { Welding of metals } & \text { II. } & \text { Polyacetylene } \\ \hline \text { C. } & \text { Toys } & \text { III. } & \text { Oxyacetylene } \\ \hline \end{array} $$

The correct answer is

A polymer sample contains 10 molecules each with molecular mass 5,000 and 5 molecules each with molecular mass 50,000 . The number average molecular mass of the polymer sample is

The number of linear and crosslinked polymers in the following respectively are

Novolac, Nylon 6,6, Bakelite, PVC, melamine

Which one of the statements, regarding $X$ is not correct?

3-Hydroxybutanoic acid +3 -Hydroxypentanoic acid $\rightarrow X$

Consider the following

Statement I Nylon 6 is a condensation copolymer.

Statement II Nylon 6, 6 is a condensation polymer of adipic acid and tetra-methylene diamine.

The correct answer is

What are $X$ and $Y$ in the following reaction?

$$ n \mathrm{ClCH}=\mathrm{CH}_2 \xrightarrow{x} Y $$

$$ \text { Match the following. } $$

Correct answer is

The correct statement regarding $X$ and $Y$ in the following set of reactions is

Novolac is formed by the polymerisation of monomer ' $x$ ' in the presence of $\mathrm{OH}^{-}$ions. What is ' $x$ '?

Which of the following is the common monomer for the polymers bakelite and melamine?

In which polymer preparation, Ziegler- Natta catalyst is used?

$$ \text { Match the following. } $$

$$ \text { The common monomer for both terylene and glyptal is } $$

$$ \text { Which of the following is an example for fibre? } $$

The catalyst used in the manufacture of polyethylene is a mixture of