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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
Which of the following Ziegler -Nata catalyst ?A. `pd.BaSO_4`+ quinolineB. `(C_2H_5)_3Al+TiCl_4`C. Phyrinium chlorochromateD. zn.Hg+cons.HCl |
| Answer» Correct Answer - B | |
| 802. |
Amongst the following, a homopolymer is (1) PMMA (2) Bakelite (3) Glyptal (4) Dacron |
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Answer» Amongst the following, a homopolymer is PMMA. |
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| 803. |
An example of addition copolymer is (1) Polythene (2) Butyl rubber (3) Neoprene (4) Natural rubber |
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Answer» An example of addition copolymer is Butyl rubber. |
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| 804. |
The catalyst used in the manufacture of polyethene of Ziegler method is:A. lithium tetrachloride and triphenyl aluminiumB. titanium tetrachloride and trimethyl aluminiumC. titanium oxideD. titanium isoperoxide |
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Answer» Correct Answer - B |
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| 805. |
The product of addition polymerization reaction is:A. PVCB. nylonC. teryleneD. polyamide |
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Answer» Correct Answer - A |
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| 806. |
Which of the following is copolymer? (1) Buna-S (2) PAN (3) Polythene (4) PTFE |
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Answer» Buna-S is copolymer. |
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| 807. |
Which of the following an addition (chain growth) polymer? (1) Nylon-66 (2) Polyester (3) PVC (4) Glyptal |
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Answer» Polyester an addition (chain growth) polymer. |
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| 808. |
Which one of the following pairs is not correctly matched?A. Terylene-condensation polymer of terephthalic acid and ethylene glycolB. Teflon-thermally stable cross linked polymer of phenol and formaldehydeC. Perspex-A homopolymer of methyl methacrylateD. Synthetic rubber-A copolymer of butadiene and styrene |
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Answer» Correct Answer - B |
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| 809. |
Which of the following is a linear polymer? (1) Nylon (2) Bakelite (3) Alkyd resin (4) Melamine-formaldehyde polymer |
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Answer» Nylon is a linear polymer. |
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| 810. |
Which of the following statement/s is/are correct? (1) Vinyon is a copolymer of vinyl chloride and vinyl acetate. 2) Saran is a copolymer of isobutylene and isoprene. 3) Butyl rubber in a copolymer of isobutylene and isoprene 4) All are correct |
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Answer» (4) All are correct. |
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| 811. |
Which of the following pairs is not correctly matched? (1) Terylene-condensation polymer of terephthalic acid and ethylene glycol (2) Teflon - polymer of phenol and formaldehyde (3) Perspex-A homopolymer of methyl methacrylate (4) Synthetic rubber-A copolymer of butadiene and styrene |
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Answer» Synthetic rubber-A copolymer of butadiene and styrene is not correctly matched. |
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| 812. |
Mark the correct statement about thiokol rubber. (1) It is a synthetic polysulphide rubber. (2) It is obtained by condensation chloride with sodium tetrasulphide. (3) It is resistant to oils and abrasion. (4) All are correct |
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Answer» (4) All are correct. |
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| 813. |
Which of the following is wrong ?A. PMMA is called plexiglassB. PTFE is called teflonC. SBR is natural rubberD. LDPE is called low density polythene |
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Answer» Correct Answer - C SBR is synthetic rubber . |
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| 814. |
Mark the correct statement about thiokol rubber .A. It is a synthetic polysulphide rubberB. It is obtained by condensation of ethylene chloride with sodium tetrasulphideC. It is resistant to oils and abrasionD. All are correct |
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Answer» Correct Answer - D Properties of thiokol rubber . |
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| 815. |
Terylene fibres polymerisation process is carried out inA. VacuumB. Inert atmosphere of `N_(2)`C. Inert atmosphere of ArD. Dark |
| Answer» Correct Answer - A | |
| 816. |
Terylene is the polyester of:A. ethylene glycol and terphthalic acidB. hexamethylene diamine and adipic acidC. phenol and formald ehydeD. Urea and formaldehyde |
| Answer» Correct Answer - A | |
| 817. |
An example of biopolymer isA. teflonB. neopreneC. nylon-66D. `DNA` |
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Answer» Correct Answer - D `DNA`, a nucleic acid, is a long chain polymer of nucleotides i.e. - it is a plynucleotide. |
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| 818. |
Terylene is the polyester of:A. ethylene glycol and terphthanic acidB. hexamethylene diamine and adiptic acidC. phenol and formaldehydeD. urea and formaldehyde |
| Answer» Correct Answer - A | |
| 819. |
The process involving heating of rubber with sulphur is called:A. galvanisatonB. vulcanizationC. bessemerisationD. sulphonation |
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Answer» Correct Answer - B |
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| 820. |
The polymer used in orthopaedic devices and in controlled drug release is:A. SBRB. PTFEC. PHBVD. PAN |
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Answer» Correct Answer - C PHBV (Poly-`beta`-hydroxy butyrate-co-`beta`- hydroxy valerate) is used in making of biodegradable capsules for controlled drug release. |
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| 821. |
Phenol and fomaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B) Name the polymers. Write the reaction involved in the formation of (A) what is the structural difference between two polymers? |
| Answer» The polymer (A) is a linear chain polymers known as Novolac white the polymer (B) is a cross linked polymer called Bakelite. | |
| 822. |
The polymer obtained by the polycondensation of phenol and formaldehyde is-A. novolacB. polyesterC. resoleD. glyptal |
| Answer» Correct Answer - A::C::D | |
| 823. |
Monomer unit in urea -formaldehyde polymer isA. B. C. D. |
| Answer» Correct Answer - A | |
| 824. |
Why addition polymers cannot be broken down by hydrolysis? |
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Answer» The C-C bonds are too strong. |
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| 825. |
Which colligative property is used to determine the molecular masses of the polymers ? |
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Answer» Osmotic pressure is the colligative property used to determine the molecular masses of polymer. |
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| 826. |
Vulcacnised rubber resists:A. Wear and tear due to frictionB. cryogenic temperatureC. high temperatureD. action of acids |
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Answer» Correct Answer - A |
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| 827. |
Natural rubber is a polymer of:A. ButadieneB. ethyleneC. styreneD. isoprene |
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Answer» Correct Answer - D |
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| 828. |
Which of the following is an addition polymer?A. Nylon-6B. Nylon-66C. High density polytheneD. Dacron |
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Answer» Correct Answer - C |
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| 829. |
Which of the following polymers are biodegradable polymer of polyamide class?A. DextranB. Nylon-2-nylon-6C. Nylon-66D. PHBV |
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Answer» Correct Answer - B |
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| 830. |
How to join and practice the Polymers Class 12 Mock Test? |
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Answer» Make your practice well with our mock tests of polymers chapter. Chemistry is an interesting subject but it needs your intelligent mind to score in the actual board exams. We have provided Polymers Class 12 Mock test with Answers to help students understand the concept very well. Polymers Class 12 Mock Test were prepared based on the latest exam pattern. Now give your CBSE Chemistry exam preparation a boost with Sarthaks eConnect chapter-based CBSE Class 12 Online Polymers mock test. Every question and solution is meticulously created by our subject matter experts. These tests are the closest you can find to that of a real examination. Here we have provided you with the detailed Class 12 Online Mock Test Polymers. The top academic experts prepare this at Sarthaks, who have followed all the CBSE guidelines. This will assist you as reference material when you get stuck while solving any question. We provide free Polymers practice questions and Class 12 Chemistry Mock Test to boost up your preparation. However, We advise you to finish the NCERT first before moving towards these resources. Click here to start regular practice: - Class 12 Polymers Mock Test |
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| 831. |
The two monomers used in the preparation of dextron areA. 3-hydroxy butanoic acid and 3-hydroxy pentanoic acidB. `in` emino caproic acid and glycineC. isobutylene and isopreneD. lactic acid and glycolic acid |
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Answer» Correct Answer - D Dextron is a polyacetic acid and polyglycolic acid polymer. This monomer used are lactic acid and glycolic acid. It is copolymer and has ester linkage . It is used as friction modifier. It is added as lubricants to reduce surface friction. |
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| 832. |
Teflon is a polymer of:(a) Tetrafluoroethylene(b) Tetraiodoethylene(c) Tetrachloroethylene(d) Tetrabromoethylene |
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Answer» (a) Tetrafluoroethylene |
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| 833. |
PVC is preapred by the polymerisation ofA. ethyleneB. 1-chloropropeneC. propeneD. 1-chloroethene |
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Answer» Correct Answer - D PVC is polyvinyl chloride , a polymer of vinyl chloride. ` underset("1-chloroethene")(nCH_(2)=CH*Cl) overset("Polymerisation")to underset("PVC")([-CH_(2)-overset(Cl) overset(|)(C)H-]_(n)` |
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| 834. |
Polyethylene is a resin obtained by polymerisatio ofA. styreneB. isopreneC. ethyleneD. butadiene |
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Answer» Correct Answer - C Polyethylene is obtained by the polymerisation of ethylene . `nCH_(2)=CH_(2) to (--CH_(2)-CH_(2)--)_(n)` |
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| 835. |
Low density polythene (LDP) is used in the insulation of electricity carrying wires and manufacture of flexible pipes and squeeze bottles becauseA. it is tough , hard and rigidB. it is chemically inert , tough , flexible and poor conductor of electricityC. it is very tough , good conductor of electricity and flexibleD. it is chemically inert , very soft , water absorbent and poor conductor of heat . |
| Answer» Correct Answer - B | |
| 836. |
The polymer used in the manufacture of squeeze bottles is:A. PolystyreneB. TeflonC. PolypropyleneD. low density polythene |
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Answer» Correct Answer - D It is the correct answer. |
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| 837. |
Of the following which one is classified as polyester polymer?A. TeryleneB. BakeliteC. MelamineD. Nylon-6, 6 |
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Answer» Correct Answer - A Terylene is a polyester polymer |
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| 838. |
Which of the following is not a semisynthetic polymer-A. cis-polyisopreneB. cellulose nitrateC. cellulose acetateD. vulcanised rubber |
| Answer» Correct Answer - A | |
| 839. |
Which of the following is a semisynthetic polymer ?A. silkB. woolC. Acetate rayonD. cotton |
| Answer» Correct Answer - C | |
| 840. |
Which of the following polymer is biodegradable? |
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Answer» The correct option is (iv) |
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| 841. |
Which of the following is not a semisynthetic polymer?(i) cis-polyisoprene(ii) Cellulose nitrate(iii) Cellulose acetate(iv) Vulcanised rubber |
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Answer» (i) cis-polyisoprene |
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| 842. |
Which of the following polymers is biodegradable ?A. `(--CH_(2)-underset("Cl")underset("|")"C"=CH-CH_(2)--)_(n)`B. C. D. |
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Answer» Correct Answer - C PHBV is a biodegradable polymer . |
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| 843. |
The commercial name of polyacrylonitrile is ______________.(i) Dacron(ii) Orlon (acrilan)(iii) PVC(iv) Bakelite |
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Answer» (ii) Orlon (acrilan) |
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| 844. |
The comercial name of polyacrylonitrile is ……A. DacronB. Orlon (acrilan)C. PVCD. Bakelite |
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Answer» Correct Answer - B Orion is the commerical name of polyacrylonitrile |
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| 845. |
The commercial name of polyacrylonitrile isA. dacronB. orlon ( arilan )C. PVCD. bakelite . |
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Answer» Correct Answer - B Polyacrylonitrile is known as orolon . `nCH_(2)=CHCN to (--CH_(2)-overset(CN)overset(|)(CH)--)_(n)` |
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| 846. |
Which of the following statements about low density polythene is false ?A. It is a poor conductor of electricityB. Its synthesis requires dioxygenC. It is used in the manufacture of buckets, dust-bins etcD. Its synthesis requires high pressure |
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Answer» Correct Answer - C High density polythene is used for the manufacture of buckets, dustbins etc. |
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| 847. |
The S in buna-S refers toA. sulphurB. styreneC. sodiumD. salicylate . |
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Answer» Correct Answer - B Butadiene + Styrene ` to` Buna -S |
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| 848. |
Assertion : Neoprene can be further hardened by heating on the presence of sulpur Reason : Neoprene contains allylic double bonds which help in introducing sulpur bridges between different polymer chamsA. If both assertion and reason are correct and reason is correct explanation for assertionB. If both assertion and reason are correct but reason is not correct explanation for assertionC. If assertion is correct but reason is incorrectD. If assertion and reason are both incorrect |
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Answer» Correct Answer - A Reason is the correct exaplanation for assertion. |
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| 849. |
Assertion : HDPE is a linear chain polymer Reason : The monomer chain in HDPE are very closely packedA. If both assertion and reason are correct and reason is correct explanation for assertionB. If both assertion and reason are correct but reason is not correct explanation for assertionC. If assertion is correct but reason is incorrectD. If assertion and reason are both incorrect |
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Answer» Correct Answer - A Reason is the correct exaplanation for assertion. |
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| 850. |
Vulcanisation makes rubber-A. more elasticB. soluble in inorganic solventC. crystallineD. more stiff |
| Answer» Correct Answer - a,d | |