CHN 702(O) Unit-1
1. Which of the following is not used as a source of carbon black?
A. Petroleum distillate
B. Residual oil
C. All of these
D. LPG
2. Which of the following is not made from ethylene?
A. None of these
B. Acetaldehyde
C. Polystyrene
D. Ethylene diamine
3. Isoprene is used in the manufacture of
A. Synthetic rubber products
B. Plasticizers
C. Explosives
D. None of these
4. Which of the following is not a part of the process of manufacturing glycerin from propylene?
A. Via aryl benzene sulphonate
B. Via allyl chloride
C. None of these
D. Via acrolein
5. Cumene is produced by the alkylation of propylene with
A. ortho-xylene
B. Para-xylene
C. Benzene
D. Toluene
6. Which of the following monomers gives the polymer neoprene on polymerization ?
A. F₂C=CF₂
B. CCl₂=CCl₂
C. CH₂=CCl – CH=CH₂
D. CH₂=CHCl
7. Phthalic anhydride is prepared from
A. Toluene
B. o-Xylene
C. m-Xylene
D. p-Xylene
8. Vinyl chloride is produced directly from
A. None of above
B. Acrylonitrile
C. Ethylene dichloride
D. Polyethylene
9. Isophthalic acid is made from
A. m-Xylene
B. All of these
C. o-Xylene
D. p-Xylene
10. The petrochemical that is not an intermediate for the manufacture of synthetic glycerine is
A. Acrylonitrile
B. Allyl alcohol
C. None of the above
D. Epichlorohydrin
11. Acrolein is prepared by
A. Direct oxidation of propylene
B. Alkyl alcohol oxidation
C. Direct oxidation of ethylene
D. Both A and B
12. Ethylene di-amine is produced by heating ethylene dichloride with
A. Ammonia
B. Carbon black
C. Ethylene dibromide
D. None of above
13. Carbon black is prepared by _
A. Controlled combustion of methane
B. Dehydrogenation of natural gas
C. all of above
D. Oxidation of methane
14. Nylon is not a
A. Condensation polymer
B. Polyamide
C. Copolymer
D. Homopolymer
15. Butane is blended with gasoline to
A. Decrease engine corrosion
B. Increase octane number in gasoline
C. Increase volatility
D. Both B and C
16. Which of the following has ester linkages?
A. Nylon
B. PVC
C. Bakelite
D. Terylene
17. Which one is not correct method for Petroleum distillation
A. Fractional distillation
B. Vacuum distillation
C. Multiple distillation
D. Steam distillation
18. Which of the polymers are used as fibre ?
A. Poly chloroprene
B. Polytetra fluoroethane
C. Nylon
D. Buna-S
19. Example of Animal Fiber is
A. Jute
B. cotton
C. silk
D. Linen
20. Cyclohexane is predominantly formed from petroleum by
A. Catalytic hydrogenation of benzene
B. Direct fractionation of reforming stock
C. Both A and B
D. None of above
21. Gasoline is produced directly from
A. Ethanol
B. Ethylene oxide
C. Both A and B
D. Neither A nor B
22. Ethylene glycol is not obtained by
A. Chlorohydrination of ethylene
B. Acetylene-hydrochloric acid reaction
C. Direct oxidation of ethylene
D. None of these
23. Which of the following is not correct regarding terylene?
A. Synthetic fibre
B. also called dacron
C. Thermosetting plastic
D. Step growth polymer
24. Which of the following is not prepared from acetylene?
A. Perchloro ethylene
B. Acrylonitrile
C. Styrene
D. Ammonium nitrate
25. The impact strength is measured as
A. Elasticity
B. Permeability
C. Strength
D. Toughness
CHN 702(O) Unit-2
1. Emulsion Paints contain:
A. Nitro cotton
B. Zinc white
C. White lead
D. Polyvinyl acetate
2. Anticorrosive paint is
A. Blue
B. White
C. Black
D. Yellow
3. In which of the below, it is not necessary to remove existing paint to apply a new one?
A. Aluminum paints
B. Cement paints
C. Oil paints
D. Enamel paints
4. What is used to make paints odorless to an extent?
A. Flat latex
B. Celluloid sheets
C. Acrylic compound
D. Plioway resins
5. Spray painting is used to:
A. Apply paint without touching surface
B. Apply large amount of paint
C. Reach high areas
D. Get textured paint
6. The function of _ is to make the paint thin so that it can be easily applied on the surface.
A. Pigment
B. Solvent
C. Carrier
D. Base
7. contains calcium sulphide with varnish.
A. Oil paint
B. Plastic paint
C. Inodorous paint
D. Luminous paint
8. How many ingredients are varnish composed of?
A. 2
B. 3
C. 4
D. 5
9. Driers in varnish are used as:
A. Reducers
B. Retarders
C. Accelerators
D. Oxidisers
10. Wood naphtha, a cheap variety of resin, is also called:
A. Methyl alcohol
B. Synthetic rubber
C. Acetylene
D. Ethanol
11. The word varnish is derived from the word:
A. Latin varne
B. Latin Vernix
C. Greek Vernix
D. Green varne
12. Which of the below is an oil based varnish?
A. Urethane
B. Acrylic
C. Polyurethane
D. Urea
13. Explosives are characterized by
A. Sensitivity to ignition
B. Detonation
C. Explosive strength
D. All of above
14. Dynamite was discovered by whom?
A. Alfred Nobel
B. Albert Einstein
C. Rudolf Hitler
D. None of above
15. Which of the following is example of military explosive?
A. TNT
B. RDX
C. Picric Acid
D. All of above
16. Picramide is example of
A. Nitro Explosive
B. Nitromide explosive
C. Nitroamine explosive
D. Diazo explosive
17. Explosive powers are determined by how many methods?
A. 2
B. 3
C. 4
D. 5
18. what is full form of PETN?
A. Penta Erythriol Tetra Nitrate
B. Penta Erythriol Tri Nitrate
C. Penta Erythriol Tetra Nitrite
D. Penta Erythriol Tri Nitrate
19. Propellants are
A. High explosive
B. Low explosive
C. A & B both
D. None of above
20. Mustard gas is _
A. Bis (2-chloro ethyl) sulphide
B. Tris (2-chloro ethyl) sulphide
C. Bis (2-chloro propyl) sulphide
D. Bis (2-chloro butyl) sulphide
21. Toxic Chemicals are
A. Incendiary action
B. Screening smoke
C. A & B both
D. None of above
22. what is full form of RDX?
A. Research Development Formula X
B. Research Department Formula X
C. A & B
D. None of above
23. Tear gas is
A. Bromoacetone or xylyl bromide
B. Bromoacetaldehyde
C. Bromopropanal
D. None of above
24.composition of gun powder is
A. 75 % KNO3 + 10 % charcoal + 15 % Sulphur
B. 65 % KNO3 + 20 % charcoal + 15 % Sulphur
C. 70 % KNO3 + 5 % charcoal + 25 % Sulphur
D. 75 % KNO3 + 15 % charcoal + 10 % Sulphur
25. Explosives are
A. A group of endothermic compounds or mixture which cause explosion is known as explosive.
B. A material that under the influence of thermal or mechanical shock decomposes rapidly
C. A group of exothermic compounds or mixture which cause explosion is known as explosive.
D. A & B
CHN 702(O) Unit-3
1. Propylene tetramer is produced directly from _
A. Ethylene
B. Butylene
C. Propylene
D. Both B and C
2. Which of the following is initiator in free radical polymerisation?
A. AlCl₃
B. Bu-Li
C. Benzoyl peroxide
D. HNO₃
3. Nylon threads are made of
A. Polyester polymer
B. Polyvinyl chloride
C. Polyethylene polymer
D. Polyamide polymer
4. Which polymer occur naturally?
A. Protein and nylon
B. Starch and cellulose
C. Protein and PVC
D. Starch and nylon
5. Which of the following are addition polymers ?
A. Polystyrene
B. Melamine formaldehyde resin
C. Nylon
D. Dacron
6. To produce 6,6-nylon fibre, adipic acid is condensed with _
A. Hexamethylenediamine
B. Aniline
C. Maleic anhydride
D. Caprolactum
7. Which of the following is not a condensation polymer?
A. Neoprene
B. Gyptal
C. Melamine
D. Dacron
8. Which of the following polymer need atleast one diene monomer for their preparation ?
A. Dacron
B. Novolac
C. Buna – S
D. Nylon 6,6
9. Which of the following is thermosetting polymer
A. PVC
B. Nylon-6,6
C. Bakelite
D. Neoprene
10. Which of the following is polyamide?
A. Bakelite
B. Nylon-6,6
C. Terylene
D. Teflon
11. Match the polymers given in Column I with their chemical names given in Column II.
Column 1 Column 2
a) Nylon 6 i) polyvinyl chloride
b) PVC ii) polyacrylonitrile
c) Acrilan iii) polycaprolactum
d) Natural rubber iv) low density polythene
e) LDP v) cis-polyisoprene
A. (a) iii (b) i (c) iv (d) v (e) ii
B. (a) iii (b) i (c) ii (d) v (e) iv
C. (a) ii (b) iv (c) v (d) i (e) iii
12. Which one of the following statement is not true?
A. Natural rubber is a 1,4-polymer of isoprene
B. Natural rubber has the trans-configuration at every double bond
C. In vulcanization, the formation of Sulphur bridge between different chain male rubber harder and stronger
D. Buna-S is a copolymer of butadiene
13. Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers
Column 1 Column 2
a) Nylon 6,6 i) Free radical polymerization
b) PVC ii) Zieglar-Natta polymerization or
coordination polymerization
c) LCP iii) Anionic Polymerization
iv) Condensation polymerization
A. (a) iv (b) ii (c) i
B. (a) iv (b) i (c) ii
C. (a) iii (b) i (c) ii
D. (a) iii (b) ii (c) i
14. Which of the following is a fully fluorinated polymer?
A. PVC
B. Thikol
C. Teflon
D. Neoprene
15. The polymers in which monomers alternate in a regular manner as in the polymers formed between styrene and butadiene are termed
A. None of these
B. Random co-polymers
C. Alternating co-polymers
D. Cross-linked polymers
16. Novolac, the linear polymer used in paints is
A. copolymer of buta 1, 3-diene and styrene
B. copolymer of melamine and HCHO
C. condensation polymer of phenol and HCHO
D. polymer of methyl methacrylate
17. Bakelite is obtained from phenol by reacting with
A. CH₃CHO
B. (CH₂OH) ₂
C. CH₃COCH₃
D. HCHO
18. Which one of the following polymer is prepared by condensation polymerization?
A. Teflon
B. Polystyrene
C. Nylon 6, 6
D. Natural rubber
19. The polymer containing strong intermolecular H-bonding and crystalline nature is
A. Teflon
B. Polystyrene
C. Nylon 6, 6
D. Natural rubber
20. Which one of the following statement is false?
A. Both starch and cellulose are polymer of glucose.
B. Artificial silk is derived from cellulose
C. The repeated unit in natural rubber is isoprene
D. Nylon-6,6 is an example of elastomer
21. The monomer of Buna- S rubber are _
A. Styrene and butadiene
B. Isoprene and butadiene
C. Vinyl chloride and styrene
D. Butadiene
22. Monomer of nylon-6,6 are
A. Adipic acid and hexamehylene diamine
B. Adipic acid and fomaldehyde
C. Adipic acid and ethylene glycol
D. Dimethyl terephthalate and hexamethylene diamine
23. Stereoisomer of polymers are
A. Isotacic
B. Atactic
C. Syndiotactic
D. All of above
24. Polyethylene is
A. Homo polymer
B. Co- polymer
C. Addition polymer
D. A & C both
25. which of the following is not example of ethylene co polymer?
A. Poly Styrene
B. Polyvinylchloride
C. Poly vinylidine chloride
D. All of above
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