Q. Gutta parcha rubber is

View solution

Q. The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

View solution

Q. Synthetic rubber

View solution

Q. Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the

View solution

Q. In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?

View solution

Q. Cation exchange resins used in water treatment is made from __________ resin.

View solution

Q. Size range of polymer molecules varies from __________ metre.

View solution

Q. Cellulose content in bomboo fibre is about __________ percent.

View solution

Q. In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of

View solution

Q. Which of the following has the weakest intermolecular forces ?

View solution

Q. Properties of a polymer is affected by the

View solution

Q. In condensation polymerisation as compared to addition polymerisation

View solution

Q. Thermosplastic materials

View solution

Q. Polyvinyl acetate is never used for making

View solution

Q. Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

View solution

Q. Vulcanisation of rubber does not increase its

View solution

Q. In nylon-6, the number 6 represents the total number of

View solution

Q. Polyhexamethylene adipimide is also known as

View solution

Q. __________ is normally used for the manufacture of refrigerator components and transistor parts.

View solution

Q. Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

View solution