Advertisements
Advertisements
प्रश्न
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
Advertisements
उत्तर
Urea-formaldehyde resin is used in laminated sheets. For the formation of laminated sheets, urea and formaldehyde are the monomeric units.
APPEARS IN
संबंधित प्रश्न
Bakelite is the polymer of:
(a) Benzaldchyde and phenol
(b) Acetaldehyde and phenol
(c) Formaldehyde and phenol
(d) Formaldehyde and benzyl alcohol
Choose the correct option from the given alternatives.
Which of the following is made up of polyamides?
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
Write the name of the catalyst used for preparation of high density polythene polymer.
write the structure of the monomer used in natural rubber.
Write chemical reactions for the preparation of high-density polythene.
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 compounds is used to prepare orlon?
Which of the following pair of compounds is used as monomers for bakelite?
Identify addition polymer from the following.
Match the polymers given in Column I with the type of linkage present in them given in Column II.
| Column I | Column II |
| (i) Terylene | (a) Glycosidic linkage |
| (ii) Nylon | (b) Ester linkage |
| (iii) Cellulose | (c) Phosphodiester linkage |
| (iv) Protein | (d) Amide linkage |
| v) RNA |
Which of the following is not a copolymer?
Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?
Trans - form of poly isoprene is:-
Identify the monomer used to prepare neoprene.
Answer the following.
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 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.
