Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged unit15

Which of the following is Nylon-2-nylon-6

asked Mar 14, 2014 by sreemathi.v

1 answer

Match list I with list II and select the correct answer using the codes below :

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following is a fully fluorinated polymer?

asked Mar 14, 2014 by sreemathi.v

1 answer

The monomers of polymers :

asked Mar 14, 2014 by sreemathi.v

1 answer

If the average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000.The poly dispersity index of the polymer is

asked Mar 14, 2014 by sreemathi.v

1 answer

Acrilon is a hard and a high melting material.Which of the following represents its structure?

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following is not correctly matched?

asked Mar 14, 2014 by sreemathi.v

1 answer

Soft drinks and baby feeding bottles are generally made up of

asked Mar 14, 2014 by sreemathi.v

1 answer

Which is not true about polymers?

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following statements are correct?

asked Mar 14, 2014 by sreemathi.v

1 answer

Interparicle forces in nylon-66 are

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following statement is not correct regarding vinylic polymerisation?

asked Mar 14, 2014 by sreemathi.v

1 answer

Polymerisation of acrylonitrile must be carried out under

asked Mar 14, 2014 by sreemathi.v

1 answer

Structure of a reagent used for initiating free radical chain reaction

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following arent alliphatic polymers which are commercially potential biomaterials?

asked Mar 13, 2014 by sreemathi.v

1 answer

PDI=1 for which kind of polymers

asked Mar 13, 2014 by sreemathi.v

1 answer

The polydispersity index is

asked Mar 13, 2014 by sreemathi.v

1 answer

In a polymer sample 30% molecules have a molecular mass 20,000,40% have molecular mass 30,000 and the rest have 60,000.Mass average and number average and number average molecular masses,respectively are

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following has low tensile strength than natural rubber?

asked Mar 13, 2014 by sreemathi.v

1 answer

The catalyst used for the preparation of the monomer of neoprene rubber is

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following is obtained on heating navolac with formaldehyde?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following polymers is not used to make cups and plates?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following is the intermediate compound in the polymerisation of melamine formaldehyde resin?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following commercially important polymers have the monomers urea and formaldehyde?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following polymers polymerisation process involves microbiological systhesis of latic acid?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following biogradable polymer is used in speciality packaging and as drug capsules?

asked Mar 13, 2014 by sreemathi.v

1 answer

The compound caprolactum is obtained from

asked Mar 13, 2014 by sreemathi.v

1 answer

What is the name of the given polymer?

asked Mar 13, 2014 by sreemathi.v

1 answer

The given compound is a polymer named

asked Mar 13, 2014 by sreemathi.v

1 answer

Catalyst required for the preparation of vinyl cyanide

asked Mar 13, 2014 by sreemathi.v

1 answer

Which of the following is a copolymer?

asked Mar 13, 2014 by sreemathi.v

1 answer

Which set of the following is the monomers of PHBV?

asked Mar 13, 2014 by sreemathi.v

1 answer

The percentage of sulphur used for vulcanisation of natural rubber for making tyres and battery case are respectively.

asked Mar 13, 2014 by sreemathi.v

1 answer

What does 'Bu' & 'Na' & 'S' stand for in Buna-S polymer respectively?

asked Mar 13, 2014 by sreemathi.v

1 answer

The range of temperature in which vulcanized rubber can be used is

asked Mar 13, 2014 by sreemathi.v

1 answer

What is the other name of the monomer of natural rubber?

asked Mar 13, 2014 by sreemathi.v

1 answer

The other name for bakelite is

asked Mar 13, 2014 by sreemathi.v

1 answer

In which type of polymerisation mechanism small molecules such as $H_2O,NH_3,HCl,ROH,.....$ are lost?

asked Mar 12, 2014 by sreemathi.v

1 answer

Which type of polymer undergoes permanent change on heating?

asked Mar 12, 2014 by sreemathi.v

1 answer

State the intermolecular forces of polyamides and polyesters respectively

asked Mar 12, 2014 by sreemathi.v

1 answer

Sulphur cross links are introduced in natural rubber.State the incorrect reason of this statement .

asked Mar 12, 2014 by sreemathi.v

1 answer

Which set of configuration is of natural rubber and Gutta-Percha?

asked Mar 12, 2014 by sreemathi.v

1 answer

Detect the incorrect set of polymer : monomer

asked Mar 12, 2014 by sreemathi.v

1 answer

Which of the following is the molecular formula of Dacron?

asked Mar 12, 2014 by sreemathi.v

1 answer

Why should one always use purest monomer in free radical polymerisation reaction?

asked Mar 12, 2014 by sreemathi.v

1 answer

Polymer of _____________ is used to make refrigerator linings?

asked Mar 12, 2014 by sreemathi.v

1 answer

In what ratio PGA & PLA is used to make absorbable sutures to close an internal or external wound and has replaced catgut.

asked Mar 12, 2014 by sreemathi.v

1 answer

$\bar{M_N}$ of polymers is always determined by which of the following methods?

asked Mar 12, 2014 by sreemathi.v

1 answer

Which of the following is the formula of number average molecular mass $\bar{M_N}$?

asked Mar 12, 2014 by sreemathi.v

1 answer

Which of the following condition is for polydisperse polymers?

asked Mar 12, 2014 by sreemathi.v

1 answer

Page:

1
2
3
4
next »

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...