Description : Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch
Last Answer : (4) Starch Explanation: Cotton, starch, cellulose and rubber are some of the naturally occurring polymers. Starch is a condensation polymer made up of hundreds of glucose monomers, which split out ... is also referred to as a polysaccharide, because it is a polymer of the monosaccharide glucose.
Last Answer : Starch
Description : __________ is an addition polymer (A) Nylon (B) Bakelite (C) Polythene (D) None of these
Last Answer : (C) Polythene
Description : In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a crosslinked polymer? (A) Bakelite (phenol formaldehyde) (B) Polyester (C) Polythene (D) Nylon-6
Last Answer : (A) Bakelite (phenol formaldehyde)
Description : The polymer obtained by the condensation of hexamethylene diamine and adipic acid is – (1) Nylon 66 (2) Terylene (3) Tollen's (4) Bakelite
Last Answer : (1) Nylon 66 Explanation: Polymers are very high molecular mass substances each molecule of which consists of very large number of simple structural units joined together though covalent bonds ... the repeating structural unit is derived from two monomer units - hexamethylenediamine and adipic acid.
Description : Which of the following is a thermosetting polymer? (a) Bakelite (b) Nylon-6,6 (c) Polyethylene (d) Teflon
Last Answer : Bakelite
Description : The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : (1) Nylon 66 (2) Terylene (3) Tollen’s (4) Bakelite
Last Answer : Nylon 66
Description : The polymer used in making plastic crockery is (1) Decron (2) Nylon (3) Bakelite (4) Melamine
Last Answer : Melamine
Description : Arrange the following polymer in increasing order of their molecular forces : (a) nylon-6, 6, Buna-S, polythene. (b) nylon-6, Neoprene, polyvinyl chloride.
Last Answer : Ans. (a) Buna S < Polythene < Nylon-6, 6. (b) Neoprene < Polyvinyl Chloride < Nylon-6.
Description : 38. Which of the following statements is false? (1) Both starch and cellulose are polymers of glucose (2) Artificial silk is derived from cellulose (3) Nylon-66 is an example of elastomer (4) The repeat unit in natural rubber is isoprene
Last Answer : Nylon-66 is an example of elastomer
Description : Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer
Last Answer : (C) Neoprene is a natural rubber
Description : Adipic acid reacts with hexamethylene diamine to form (a) Bakelite (b) Nylon-6,6 (c) Terylene (d) Nylon-6,8
Last Answer : Nylon-6,6
Description : Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate
Last Answer : (3) Polyvinyl Chloride Explanation: Polyvinyl chloride (PVC) is a common, strong but lightweight plastic that is used in making tough plastic. It is used for flexible applications such ... cables. It is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.
Description : Clasify the polymers as addition and condenstation polymers. Nylon 66, Buna-S, Polythene.
Last Answer : Ans: Nylon 66 condensation polymer. Buna-S and polythene—Addition polymer.
Description : Arrange the following Polymers in increasing order of inter molecular forces. (a) Nylon 66, Buna-S and Polythene (b) Nylon 6, Neoprene and PVC
Last Answer : Ans: (a) Buna-S, Polythene and Nylon 66. (b) Neoprene, PVC and Nylon 6.
Description : Which of the following is used to make light weight, but strong plastic ? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate
Last Answer : Polyvinyl Chloride
Description : __________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene
Last Answer : (C) Bakelite
Description : __________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these
Description : Which of the following is a copolymer? (A) PVC (B) Bakelite (C) Polythene (D) Teflon
Last Answer : (B) Bakelite
Description : Which of the following is produced by condensation polymerisation? (A) Bakelite (B) Polythene (C) Poly vinyl chloride (D) Polystyrene
Last Answer : (A) Bakelite
Description : __________ is a thermosetting plastic. (A) Polyvinyl chloride (B) Polythene (C) Bakelite (D) Teflon
Description : The first fully synthetic plastic was_________. a) Bakelite b)melamine c)Teflon d)polythene
Last Answer : a) Bakelite
Description : What is a Bakelite? (1) Solution (2) Acid (3) Base (4) Polymer
Last Answer : (4) Polymer Explanation: Bakelite is the commercial name for the polymer obtained by the polymerization of phenol and formaldehyde. It is an early plastic. Plastic (from the Greek "plastikos," ... , polymers. Bakelite was developed by the BelgianAmerican chemist Leo Baekeland in New York in 1907.
Description : Bakelite has the following characteristics (a) A polymer made from phenol and formaldehyde (b) A thermosetting plastic (c) Can be used as an adhesive (d) All of the above
Last Answer : All of the above
Description : What is a Bakelite ? (1) Solution (2) Acid (3) Base (4) Polymer
Last Answer : Polymer
Description : Polythene is polymer of – (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline
Last Answer : (1) Ethylene Explanation: The ingredient or monomer is ethylene (IUPAC name ethene). It has the formula C2H4, consisting of a pair of CH2 groups connected by a double bond. Because the catalysts are highly reactive, the ethylene must be of high purity. Typical specifications are H2SO4
Description : Polythene is polymer of (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline
Last Answer : Ethylene
Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (B) Nylon-66
Description : Polyhexamethylene adipamide is also known as (A) Bakelite (B) Nylon-66 (C) Epoxy resin (D) Silicone rubber
Description : 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 (A) Nylon-66 (B) Teflon (C) Polyester (D) Bakelite
Last Answer : (B) Teflon
Description : __________ is a homopolymer. (A) Neoprene (B) Bakelite (C) Nylon-66 (D) Terylene
Last Answer : (A) Neoprene
Description : Phenol formaldehyde is produced by condensation polymerisation. It is also known as (A) Teflon (B) Bakelite (C) Polyester (D) Nylon-66
Description : Poly-methyl-methacrylate (PMMA) is known as (A) Bakelite (B) Teflon (C) Perspex (D) Nylon-6
Last Answer : (C) Perspex
Description : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (A) Polyisoprene
Description : Polymethyl methacrylate (PMMA) is known as (A) Bakelite (B) Teflon (C) Perspex (D) Nylon-6
Description : P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as (A) Bakelite (B) Neoprene (C) Teflon (D) Nylon-66
Last Answer : (C) Teflon
Description : Which of the following is a biodegradable waste? (1) Wool (2) Polythene bags (3) Plastics (4) Nylon
Last Answer : (1) Wool
Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon
Last Answer : (B) Polythene
Description : Which of the following is polymeric solid? a) Nylon b) Plastic c) Polythene d) All of above
Last Answer : d) All of above
Description : Which of the following is a biodegradable waste ? (1) Wool (2) Polythene bags (3) Plastics (4) Nylon
Last Answer : Wool
Description : Nylon threads are made of - (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide
Last Answer : (2) Polyamide polymer Explanation: Nylon is a generic designation for a family of synthetic polymers, more specifically aliphatic or semiaromatic polyamides. They can be melt-processed into fibers, ... . Nylon polymers have found significant commercial applications in fibers, in shapes and in films.
Description : Classify the polymers as addition and condensation polymer— Nylon 6, Neoprene and PVC.
Last Answer : Ans: Nylon 6 —Condensation polymer Neoprene and PVC— Addition polymer.
Description : Which of the following is an example of a condensation polymer? (a) Nylon-6,6 (b) Teflon (c) Polypropylene (d) Orlon
Description : Nylon threads are made of (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide
Last Answer : Polyamide polymer
Description : Bakelite is the condensation polymer of:
Last Answer : Bakelite is the condensation polymer of: A. `C_(6)H_(5)OH` and caprolactum B. HCHO and phthalic acid ... H_(5)OH` and HCHO D. HCHO and ethylene glycol
Description : Which of the following is not a condensation polymer? (A) Bakelite (B) Melamine polymer (C) Poly-methyl-methacrylate (PMMA) (D) None of these
Last Answer : (C) Poly-methyl-methacrylate (PMMA)
Description : Bakelite is a/an (A) Addition polymer (B) Elastomer (C) Thermoplastic (D) None of these
Last Answer : (D) None of these
Description : Which of the following is not a polymer of two monomers? (A) Teflon (B) Bakelite (C) SBR (D) None of these
Last Answer : (A) Teflon
Description : Which of the following is an inorganic polymer? (A) Teflon (B) Perspex (C) Silicones (D) Bakelite
Last Answer : (C) Silicones