A. Decreases its tensile strength
B. Increases its ozone & oxygen reactivity
C. Increases its oil & solvent resistance
D. Converts its plasticity into elasticity
Correct Answer: Converts its plasticity into elasticity ✔
Last Updated: March 08, 2019
Related MCQs
- Trade name of __________ is neoprene?
- Which of the following low molecular weight (<104), soft & waxy polymer is used in „chewing gum‟ ?
- Dacron is a/an__________?
- Dacron (or Treylene) fibres as compared to nylon fibres have__________?
- The major component of acrylic fibers is__________?
- Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of__________?
- __________ fibres are made of polyamides?
- __________ is produced by polymerisation of chloroprene?
- Thiokol is nothing but__________?
- Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding__________?
- Neoprene is a__________?
- Polymerisation of poly functional monomers produces polymers having__________?
- β – glucose is the monomer of__________?
- __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR?
- __________ is a homopolymer?
- Acrylonitrile is mainly used in the __________ industry?
- Silicone is a/an __________?
- A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of__________?
- Which of the following is stretched into fibers ?
- Terylene is__________?
- Which of the following is the lowest cost plastic commercially available ?
- Bakelite (phenol-formaldehyde) resin cannot be used as__________?
- Polycaprolactam is__________?
- Branched chain polymers compared to linear polymers have higher __________?
- Polyvinyl chloride (PVC) __________?
- Polyurethane cannot be used to make__________?
- Thermosetting plastic materials__________?
- Dacron is a __________?
- Collapsible tubes for tooth paste are produced by __________ extrusion?
- Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer?
- Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
- Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their__________?
- Terylene is a/an__________?
- __________ is a copolymer?
- Rain coats are made of__________?
- Which of the following is not a natural fiber ?
- Rayon is a __________ fibre?
- The starting material used for the manufacture of caprolactam is__________?
- Size range of polymer molecules varies from __________ meter?
- Polyhexamethylene adipamide is also known as__________?
- Thermoplastic materials__________?
- Cross linked polymers are__________?
- Nylon-66 compared to nylon-6 has __________?
- Unbreakable crockeries are made from __________ polymers?
- 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__________?
- Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
- __________ is normally used for the manufacture of refrigerator components and transistor parts?
- Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but__________?
- Styrene butadiene rubber (SBR) is never used for making__________?
- The process involved in converting rubber into a thin sheet or coating it on fabric is called__________?
- In nylon-6, the number 6 represents the total number of__________?