HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Monomer used for preparation of polyacrylonitrile is _____________

0.022 kg of CO₂ is compressed isothermally and reversibly at 298 K from an initial pressure of 100 kPa when the work obtained is 1200 J, calculate the final pressure.

Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________

Monomer of natural rubber is __________

Write the name of biodegradable polymer formed by two amino acids namely glycine and ε-amino caproic acid.

Write the name of raw material used for preparation of nylon 6, 6 polymer.

Write a chemical reaction for the preparation of the following polymer.

polyacrylonitrile

write the structure of the monomer used in natural rubber.

Write preparation of low density polythene.

Mention two uses of LDP.

Write chemical reaction for preparation of the following.

Buna-S

Write chemical reaction for preparation of the following.

Neoprene

Write the name of one example of each polymer in which following repeating units.

\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]

Write the name and formulae of the monomers used for the preparation of dacron.

Write chemical reactions for the preparation of high-density polythene.

Write two uses and two properties of polythene.

Explain vulcanization of rubber.

Define rubber.

Explain the reactions involved in the preparation of viscose rayon.

The coordination number of atoms in body-centred cubic structure (bcc) is ______.