Advertisements
Advertisements
Question
Answer the following.
Is synthetic rubber better than natural rubber? If so, in what respect?
Advertisements
Solution
Yes, synthetic rubber is superior to natural rubber.
1. Synthetic rubber has high mechanical strength.
2. It has high abrasion resistance.
3. It is resistant to petroleum, vegetable oils, light as well as heat.
APPEARS IN
RELATED QUESTIONS
Write the structure of melamine.
Write the structures of the monomers used for getting the following polymers
Melamine – formaldehyde polymer
Draw the structures of veronal and thymine.
Write the monomers of the following polymer :

Answer the following in one sentence.
Define the term: Vulcanization
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
Identify condensation polymers and addition polymers from the following.
\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Attempt the following:
What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.
Answer the following.
Write main specialities of Buna-S, Neoprene rubber?
Monomer used for preparation of polyacrylonitrile is _____________
Write preparation of low density polythene.
Mention two uses of LDP.
Write chemical reaction for preparation of the following.
Buna-S
Explain vulcanization of rubber.
Define rubber.
Explain the reactions involved in the preparation of viscose rayon.
Which of the following is used as a substitute for wool?
The following structure represents the polymer:
\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
Which of the following polymer is used in paints?
Identify additional polymers from the following.
I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]
II. \[\ce{-(CH2 - CH = CH - CH2 -)_{{n}}}\]
III. \[\ce{-(CO(CH2)4 - CONH(CH2)6NH -)_{{n}}}\]
IV.
![]()
The INCORRECT match for the polymer with its application is:
Identify the INCORRECT match.
\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Novolac is obtained from ____________.
Which of the following polymers is a heteropolymer?
Which among the following catalysts is used in the preparation of dacron?
Which of the following polymer is used to make blankets?
Which among the following polymers is used to manufacture chemical containers?
Identify addition polymer from the following.
Which of the following polymers is used as insulation for cables?
Which of the following is an example of polyester?
The monomer of natural rubber is ______.
Answer the following.
Name and draw structure of the repeating unit in natural rubber.
The monomer used in preparation of teflon is ______.
Write the structure and name of monomer of Natural rubber.
Name and draw the structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
Write the structure of isoprene and the polymer obtained from it.
Name and draw structure of the repeating unit in natural rubber.
Name and draw the structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
Name and draw structure of the repeating unit in natural rubber.
Identify polyamide polymer from following.
