Polymers are
Polymers are
Thermosplastic materials
Thermosplastic materials
Viscose rayon is
Viscose rayon is
Branched chain polymers compared to linear polymers have higher
Branched chain polymers compared to linear polymers have higher
In nylon-6, the number 6 represents the total number of
In nylon-6, the number 6 represents the total number of
Which of the following is generally not used as eord for synthetic rubber tyre casing?
Which of the following is generally not used as eord for synthetic rubber tyre casing?
Synthetic rubber
Synthetic rubber
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.
Vulcanisation of rubber
Vulcanisation of rubber
Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to
Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to
Poly Vinyl chloride (PVC) is a __________ material.
Poly Vinyl chloride (PVC) is a __________ material.
__________ is produced by polymerisation of chloroprene.
__________ is produced by polymerisation of chloroprene.
Which of the following types of polymers has the strongest inter particle forces?
Which of the following types of polymers has the strongest inter particle forces?
Polythene is a/an
Polythene is a/an
Bristles of tooth brushes are made of
Bristles of tooth brushes are made of
Poly tetra flouro ethylene (PTFE) is known as
Poly tetra flouro ethylene (PTFE) is known as
Polycaprolactum is
Polycaprolactum is
Softening point of high density polythene is about __________ °C.
Softening point of high density polythene is about __________ °C.
Polyvinyl chloride (PVC) is
Polyvinyl chloride (PVC) is
Styrene butadiene rubber (SBR) is
Styrene butadiene rubber (SBR) is
Adipic acid is an intermediate in the manufacture of
Adipic acid is an intermediate in the manufacture of
Which of the following is a copolymer?
Which of the following is a copolymer?
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
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
__________ moulding is used for shaping of thermosetting plastics exclusively.
__________ moulding is used for shaping of thermosetting plastics exclusively.
Terylene is a/an
Terylene is a/an
Rain coats are made of
Rain coats are made of
Pick out the wrong statement.
Pick out the wrong statement.
Pick out the wrong statement.
Pick out the wrong statement.
Thiokol is nothing but
Thiokol is nothing but
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
Thermosetting materials
Thermosetting materials
Styrene butadiene rubber is commercially manufactured by
Styrene butadiene rubber is commercially manufactured by
Which of the following is an inorganic polymer?
Which of the following is an inorganic polymer?
__________ practically possess no elasticity.
__________ practically possess no elasticity.
Commercial production of polypropylene employs __________ polymerisation.
Commercial production of polypropylene employs __________ polymerisation.
Phthalic anhydride is used
Phthalic anhydride is used
Pick out the wrong statement.
Pick out the wrong statement.
Catalyst used in the production of high density polythene by low pressure Ziegler process is
Catalyst used in the production of high density polythene by low pressure Ziegler process is
Which of the following is a copolymer?
Which of the following is a copolymer?
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
Tyres are made by
Tyres are made by
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
Polyvinyl alcohol is used as a
Polyvinyl alcohol is used as a
Styrene which is a monomer for the production of polystyrene, is commercially produced by the
Styrene which is a monomer for the production of polystyrene, is commercially produced by the
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
Pick out the wrong statement regarding the solubility characteristics of high polymers.
Pick out the wrong statement regarding the solubility characteristics of high polymers.
Rayon is superior to cotton in making gauge for wound treatment, because rayon
Rayon is superior to cotton in making gauge for wound treatment, because rayon
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as
The rate controlling step in the manufacture of silicone rubber is the
The rate controlling step in the manufacture of silicone rubber is the
Phenol formaldehyde
Phenol formaldehyde
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher
Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but
Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but
Silicone is a/an
Silicone is a/an
Polypropylene compared to polythene is
Polypropylene compared to polythene is
Pick out the wrong statement.
Pick out the wrong statement.
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?
In condensation polymerisation as compared to addition polymerisation
In condensation polymerisation as compared to addition polymerisation
Amino resins are used in paper treatment to improve its
Amino resins are used in paper treatment to improve its
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?
Rayon is a __________ fibre.
Rayon is a __________ fibre.
__________ polymer is used for making unbreakable crockery.
__________ polymer is used for making unbreakable crockery.
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
Liners of bags are usually made of
Liners of bags are usually made of
Thermoplastic resins usually
Thermoplastic resins usually
Valcunisation of rubber decreases its
Valcunisation of rubber decreases its
Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is
Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is
Ion exchange resins are made of
Ion exchange resins are made of
Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
Which of the following polymers is used for making a non stick coating on frying pans?
Which of the following polymers is used for making a non stick coating on frying pans?
β - glucose is the monomer of
β - glucose is the monomer of
Which of the following is not a polymer of two monomers?
Which of the following is not a polymer of two monomers?
Plastic tubes & pipes are generally made by __________ moulding.
Plastic tubes & pipes are generally made by __________ moulding.
Zeigler process
Zeigler process
Polycaprolactum is nothing but
Polycaprolactum is nothing but
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
Pick out the wrong statement.
Pick out the wrong statement.
Alkyd resin can not be used for making
Alkyd resin can not be used for making
The main use of butadiene is
The main use of butadiene is
Nylon 6 as compared to nylon 6, 6 has lower
Nylon 6 as compared to nylon 6, 6 has lower
Polyvinyl chloride (PVC)
Polyvinyl chloride (PVC)
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.
Which of the following is not a condensation polymer?
Which of the following is not a condensation polymer?
