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