Chemistry in everyday life and Polymers -...
Transcript of Chemistry in everyday life and Polymers -...
Chemistry in everyday life and
Polymers
1) Which of the following causes allergy? (1) Histamine (2) Serotonin (3) Acetylcholine (4) Veronal
2) Which of the following is/are neurologically active drug/s (1) Aspirin (2) Phenelzine (3) Heroin (4) All the three
3) The drug given during hypertension is (1) streptomycin (2) chloroxylenol (3) equanil (4) aspirin
4 ) A substance which can act both as an analgesic and antipyretic is (1) quinine (2) aspirin (3) penicillin (4) insulin
5) Chloramphenicol is an (1) antifertility drug (2) antihistamine (3) antiseptic and disinfectant (4) broad spectrum antibiotic
6) The antibiotic used for curing tuberculosis is (1) penicillin (2) streptomycin (3) tetracycline (4) chloromycetin
7) Phenol is used as (1) an antiseptic (2) a disinfectant (3) both (1) and (2) (4) a styptic
8) Compound which is added to soap to impart antiseptic properties is
(1) sodium lauryl sulphate (2) sodiumdodecylbenzenesulphate (3) Rosin (4) bithional
9) Which of the following is used as an antioxidant in food? (1) BTX (2) BHT (3) BHC (4) all the three
10) Which of the following is not an artificial sweetener? (1) Sucrolose (2) Alitame (3) Saccharin (4) Sucrose
11) Which of the following will not enhance nutritional value of food? (1) Minerals (2) Artificial sweeteners
(3) Vitamins (4) Aminoacids
12) Detergents can be made biodegradable and pollution free by taking
(1) cyclic hydrocarbon chain (2) unbranched hydrocarbon chain (3) hydrocarbon with more branching (4) benzenoid hydrocarbons
13) Which of the following biomolecules act as drug targets? (1) Carbohydrates (2) Proteins (3) Nucleic acids (4) All
14) Which of the following acts both as an hormone as well as a neurotransmitter? (1) Noradrenaline
(2) Dopamine
(3) Acetylcholine
(4) Serotonin
15) The chemical extracted from the plant Rauwolfia serpentine is : (1) Aspirin (2) Quinine (3) Bithional (4) Reserpine
16) Heroin is a derivative of (1) Caffeine
(2) cocaine
(3) nicotine
(4) morphine
17) Antiseptic action of dettol is due to (1) 4-chloro-3, 5-dimethylphenol (2) 3-chloro-4, 5-dimethylphenol (3) 4-chloro-4, 5-dimethylphenol (4) 5-chloro-3,4-dimethylphenol
18) The artificial sweetener used in soft drinks is
(1) glycylglycine methyl ester (2) phenylalanylaspartic acid methyl ester (3) aspartylphenylalanine methyl ester (4) phenylalanylphenyalanine methyl ester
19) Which of the following does not behave as a surfactant? (1) soap (2) Detergent (3) Phospholipid (4) Triglycerides
20) The detergent which is used as a germicide is (1) sodium lauryl sulphate (2) cetyltrimethylammonium chloride (3) lauryl alcohol ethoxylate (4) sodium-2-dodecylbenzenesulphonate
21) Detergents are prepared by the action of H2SO4 followed by neutralization by starting with (1) cholesterol (2) lauryl alcohol (3) cyclohexanol (4) p-nitrophenol
22) The most widely used analgesic in severe pain is (1) aspirin (2) phenacetin (3) paracetamol (4) morphine
23) Which of the following is used to prevent the oxidation of fats in the processed food? (1) Sodium sulphate (2) Sodium sulphite (3) BHT (4) Sodium metabisulphite
24) Which of the following is not metabolized in the body? (1) Sucrose (2) D-Glucose (3) L-Glucose (4) Aspartame
25) Natural silk is a (1) polypeptide (2) polysaccharide (3) polyvinyl chloride (4) polyacrylonitrile
26) Which of the following is a polyamide? (1) Teflon (2) Nylon-6, 6 (3) Terylene (4) Bakelite
27) Amongst the following, the branched chain polymer is (1) PVC (2) polyester (3) low density polythene (4) nylon-6,6
28) Among the following, the weakest interparticle forces of attraction are present in (1) thermosetting polymers (2) thermoplastic polymers (3) fibres (4) elastomers
29) Which one of the following is used to make ‘non-stick’ cookware? (1) PVC (2) Polstyrene (3) Poly(ethylene terephthalate) (4) Polytetrafluoroethylene
30) Which of the following polymers is prepared by condensation polymerization? (1) styrene (2) Nylon-6,6 (3) Teflon (4) Rubber
31) Of the following which one is classified as polyester polymer? (1) Nylon 6,6 (2) Terylene (3) Bakelite (4) Melmac
32) Bakelite is a polymer of (1) benzaldehyde and phenol (2) formaldehyde and phenol (3) formaldehyde and benzyl alcohol (4) acetaldehyde and phenol
33) Which of the following is used in paints? (1) Terylene (2) Nylon (3) Glyptal (4) Chloroprene
34) Which of the following is a biodegradable polymer? (1) Cellulose (2) Polythene (3) Polyvinyl chloride (4) Nylon-6
35) Thermoplastics are (1) linear polymers (2) soften or melt on heating (3) melt can be moulded in desired shape (4) all are correct
36) In vulcanization of rubber (1) sulphur reacts to form a new compound (2) sulphur cross links are introduced (3) sulphur forms a very thin protective layer over rubber
(4) all statements are correct
37) Which of the following sets contain only addition homopolymers? (1) Nylon-6, natural rubber, cellulose (2) Starch, nylon-6,6, polyester (3) Teflon, Bakelite, orlon (4) Neoprene, PVC, polythene
38) An example of addition copolymer is (1) Buna-S (2) Buna-N (3) Butyl rubber (4) all the three
39) The catalyst used for olefin polymerization is (1) Ziegler-Natta catalyst (2) Wilkinson catalyst (3) Raney nickel catalyst (4) Merrifield resin
40) The outer capsule of drugs is made up of a polymer of (1) glycolic acid and lactic acid (2) glycine and caproic acid (3) salicylic acid and p-aminobenzoic acid (4) 3-hydroxybutanoic acid and 3- hydroxypentanoic acid
41) A polymer which is used as a suture, i.e., for stiching of wounds after operations is (1) PHBV (2) Nylon-2-Nylon-6 (3) Dextron (4) Dacron