HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Chemistry

Explain globular and fibrous proteins with example.

Ground state electronic configurations of gadolinium and lutetium are different than expected. Explain why?

Define d-block elements.

What is the sign convention when work is done on the system by the surrounding?

Define α-amino acids.

Draw the structure of Haworth formula of sucrose.

Explain the primary structure of proteins.

Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________

Write the name of the catalyst used for preparation of high density polythene polymer.

Monomer used for preparation of polyacrylonitrile is _____________

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

Monomer of natural rubber is __________

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.