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
__________ is produced by polymerisation of chloroprene.
__________ is produced by polymerisation of chloroprene.
Polyvinyl alcohol is used as a
Polyvinyl alcohol is used as a
Thermoplastic resins usually
Thermoplastic resins usually
Pick out the wrong statement.
Pick out the wrong statement.
Viscose rayon is
Viscose rayon is
Rayon is a __________ fibre.
Rayon is a __________ fibre.
Polythene is a/an
Polythene is a/an
Valcunisation of rubber decreases its
Valcunisation of rubber decreases its
Polymers are
Polymers are
Which of the following is not a polymer of two monomers?
Which of the following is not a polymer of two monomers?
Poly tetra flouro ethylene (PTFE) is known as
Poly tetra flouro ethylene (PTFE) is known as
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
In condensation polymerisation as compared to addition polymerisation
In condensation polymerisation as compared to addition polymerisation
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
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?
Which of the following is not a condensation polymer?
Which of the following is not a condensation polymer?
Styrene butadiene rubber is commercially manufactured by
Styrene butadiene rubber is commercially manufactured by
Polycaprolactum is nothing but
Polycaprolactum is nothing but
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
Styrene butadiene rubber (SBR) is
Styrene butadiene rubber (SBR) is
Which of the following is a copolymer?
Which of the following is a copolymer?
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?
__________ polymer is used for making unbreakable crockery.
__________ polymer is used for making unbreakable crockery.
Polycaprolactum is
Polycaprolactum is
Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to
Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to
Branched chain polymers compared to linear polymers have higher
Branched chain polymers compared to linear polymers have higher
Thermosplastic materials
Thermosplastic materials
Terylene is a/an
Terylene is a/an
Phthalic anhydride is used
Phthalic anhydride is used
__________ practically possess no elasticity.
__________ practically possess no elasticity.
Tyres are made by
Tyres are made by
Synthetic rubber
Synthetic rubber
β - glucose is the monomer of
β - glucose is the monomer of
Polyvinyl chloride (PVC) is
Polyvinyl chloride (PVC) is
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.
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
__________ 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.
The rate controlling step in the manufacture of silicone rubber is the
The rate controlling step in the manufacture of silicone rubber is the
Pick out the wrong statement.
Pick out the wrong statement.
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
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
The main use of butadiene is
The main use of butadiene is
Alkyd resin can not be used for making
Alkyd resin can not be used for making
Silicone is a/an
Silicone is a/an
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
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
Adipic acid is an intermediate in the manufacture of
Adipic acid is an intermediate in the manufacture of
Rain coats are made of
Rain coats are made of
Nylon 6 as compared to nylon 6, 6 has lower
Nylon 6 as compared to nylon 6, 6 has lower
Bristles of tooth brushes are made of
Bristles of tooth brushes are made of
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
__________ moulding is used for shaping of thermosetting plastics exclusively.
__________ moulding is used for shaping of thermosetting plastics exclusively.
Vulcanisation of rubber
Vulcanisation of rubber
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?
Zeigler process
Zeigler process
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?
Liners of bags are usually made of
Liners of bags are usually made of
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
Commercial production of polypropylene employs __________ polymerisation.
Commercial production of polypropylene employs __________ polymerisation.
Thiokol is nothing but
Thiokol is nothing but
Pick out the wrong statement.
Pick out the wrong statement.
Which of the following is a copolymer?
Which of the following is a copolymer?
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
Poly Vinyl chloride (PVC) is a __________ material.
Poly Vinyl chloride (PVC) is a __________ material.
Ion exchange resins are made of
Ion exchange resins are made of
Pick out the wrong statement.
Pick out the wrong statement.
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
In nylon-6, the number 6 represents the total number of
In nylon-6, the number 6 represents the total number of
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?
Thermosetting materials
Thermosetting materials
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
Phenol formaldehyde
Phenol formaldehyde
Amino resins are used in paper treatment to improve its
Amino resins are used in paper treatment to improve its
Plastic tubes & pipes are generally made by __________ moulding.
Plastic tubes & pipes are generally made by __________ moulding.
Softening point of high density polythene is about __________ °C.
Softening point of high density polythene is about __________ °C.
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.
Polypropylene compared to polythene is
Polypropylene compared to polythene is
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
Which of the following is an inorganic polymer?
Which of the following is an inorganic polymer?
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
Pick out the wrong statement.
Pick out the wrong statement.
Pick out the wrong statement regarding the solubility characteristics of high polymers.
Pick out the wrong statement regarding the solubility characteristics of high polymers.
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?
Polyvinyl chloride (PVC)
Polyvinyl chloride (PVC)
