Condensation polymers - class-XII
| Description: condensation polymers | |
| Number of Questions: 53 | |
| Created by: Amit Pandey | |
| Tags: materials polymer chemistry polymers |
The commercial name of polyacrylonitrile is:
Few polymers are matched with their uses. Point out the wrong match.
Match the column I with column II and mark the appropriate choice.
| Column I | Column II | ||
|---|---|---|---|
| (A) | Raincoats, hand bags | (i) | PHBV |
| (B) | Laminated sheets | (ii) | PVC |
| (C) | Television cabinets | (iii) | Urea-formaldehyde resin |
| (D) | Orthopaedic devices | (iv) | Polystyrene |
Novolac on heating with formaldehyde undergoes _______ to form an infusible solid mass called _______.
What are blended fibres?
$C{F} _{2} = C{F} _{2}$ is a monomer of:
Which of the following is a plastic?
Which names are associated with PMMA?
Which is used in making of thermocol ?
Polyacrylamide gel is prepared by mixing acrylamide and ______________ at fixed proportions.
Teflon is an example of polymer which is a/an
For natural polymers, PDI is generally ___
Orlon is a polymer of:
The monomers of Buna-S polymers are:
Which of the following polymers shows a sharp melting point?
$PMMA$ is a:
Natural fibre is :-
Which of the following are made of polyamides ?
Which one of these is a monomer of Bakelite?
Which of the following processes can be used to prepare polystyrene ?
A polymer of prop-$2$-enenitrile is called:
The commercial name of poly(methyl methacrylate) is:
Soft drinks and baby-feeding bottles are generally made of:
GRA is a copolymer of __________________.
$F _2C=CF _2$ is a monomer of:
Statement 1: Teflon has high thermal stability and chemical inertness.
Statement 2: It has strong C-F bonds.
Acrylonitrile forms_____________.
Fomaldehyde is the starting material for the manufacture of :
Monomer used to prepare orlon is_________.
Which polymer among the following polymers does NOT soften on heating?
Which of the following are addition polymers?
Which of the following is a monomer of teflon?
Which of the following polymer form net like structure ?
Which of the following is/are true statement(s) for the preparation of Teflon?
Which names are associated with PMMA?
Nylon threads are made of ________.
STATEMENT-1 : PMMA (Polymethyl methacrylate) is used for making lenses and light covers.
STATEMENT-2 : It has excellent light transmission properties.
List-l List-ll
A)Rayon 1)$CH _{2}O+C _{6}H _{5}OH$
B)Silicone polymers 2) $F _{2}C= CF _{2}$
R
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C) Bakelite 3) HO-Si-OH
|
R
D) Teflon 4)Cellulose
A: Polymethyl methacrylate is also known as plexi glass.
R: PMMA is used in decorative articles.
Which of the following fibres are made up of polyamides?
List - I List - II
A) Polystyrene p) Condensation polymer
B) Polythene q) Thermoplastic polymer
C) Nylon- $6, :6$ r) Polyamide
D) Terylene s) Addition polymer
List -I List -II
A) Polystyrene p) $C _{6}H _{5}-CH=CH _{2}$
B) Buna-S q) $CH _{2}=CH-CH=CH _{2}$
C) Buna - N r) $CH _{2}OH-CH _{2}OH$
D) Terylene s) Condensation polymer
Generally, polyamides are _____.
Non-stick frying pans are coated black with Teflon, a material that is resistant to heat. Teflon is a polymer of:
Plywood sheets are stuck together by unpolymerized:
Teflon, a polymer of tetrafluoroethylene, is an excellent plastic material for films and coatings. Which of the following is not the property of Teflon?
Teflon (tetrafluoroethylene) is a black material used in non-stick pans for frying chips and vegetables. The oil or butter does not stick at all. In the process of manufacture, one of the technical problems is:
Which monomer is used in preparation of orlon?
Identify $X$ in the reaction.
$CHCl _3 \xrightarrow[HF]{SbF _3} CHF _2Cl \overset{1070\, K}{\rightarrow} (X)+2HCl$
Which of the following fibres is a polyesters?
What substance is formed when $F _2C = CF _2$ is polymerized?
The mass of potassium dichromate crystals required to oxidise $ 750 cm^3 $ of 0.6 m mohr's salt solution is ( molar mass = 392 )