Tiêu đề 16. CHEMISTRY IN EVERYDAY LIFE.pdf ✅

PAPER 1 (1.) Parathion is: (1) an organic phosphorus compound (2) chlorinated aliphatic compound (3) chlorinated aromatic compound (4) benzene derivative (2.) Drug which helps to reduce anxiety and brings about calmness is : (1) tranquillizer (2) diuretic (3) analgesic (4) antihistamine (3.) The correct structure of the drug paracetamol is: (1) (2) (3) (4) (4.) A drug that is antipyretic as well as analgesic is : (1) chloropromazine hydrochloride (2) para‐aceta1mdophe (3) chloroquin (4) penicillin (5.) Tranquillizers are substances used for the treatment of: (1) cancer (2) AIDS (3) mental diseases (4) physical disorders (e) blood infection (6.) Methyl orange is an example of: (1) acid dye (2) azo dye (3) mordant dye (4) both (a) and (b) (7.) Which of the following is not a surfactant? (1) 3 2 15 3 3 ( ) ( ) + − CH CH N CH Br − − (2) 3 2 14 2 2 CH CH CH NH − − ( ) (3) 3 2 16 2 2 ( ) − + CH CH CH OSO Na − − − (4) 2 14 2 ( ) − + OHC CH CH COO Na − − − (8.) The substances applied to fabrics before dying them is called: (1) mordant (2) chromatophores (3) indigo (4) anthocynanins (9.) 2‐Acetoxybenzoic acid is used as : (1) antimalarial (2) antidepressant (3) antiseptic (4) antipyretic
(10.) Which one of the following creates great thrust and high performance in a missile? (1) Microalloyed gold (2) Cryogenic liquid (3) Carbon fibres (4) Butylated hydroxy anisole (11.) Which of the following statements about carbon fibres are correct? I. They can be made from viscose rayon 2. They are used for making nose tips of missiles 3. They have low thermal conductivity and used as insulators 4. They are used for making components of bone rl ates Select the correct answer using the codes given below. (1) 1 and 2 (2) 2 and 3 (3) 2 and 4 (4) 1,2 and 3 (e) 1, 2 and 4 (12.) Which of the following is not a broad spectrum antibiotic? (1) Tetracycline (2) Chloromycetin (3) Penicillin (4) None of these (13.) Tincture iodine is : (1) aqueous solution of 2 I (2) solution of iodine in aqueous KI (3) alcoholic solution of 2 I (4) aqueous solution of iodine (14.) Which of the following is bacteriostat1c? (1) Penicillin (2) Erythromysin (3) Aminoglycoside (4) Ofloxacin (e) Bithional (15.) Which of the following is used as a ”morning after pill”? (1) Northindrone (2) Ethyenylestrarliol (3) Mifepristone (4) Bithional (e) Promethazine (16.) Which among the following is not an antibiotic? (1) Penicillin (2) Oxytocin (3) Erythronycin (4) Tetracyclin (e) floxacin (17.) The oxidant which is Uoed as antiseptic is: (1) KBrO3 (2) KMnO4 (3) CrO3 (4) KNO3 (18.) Which of the following statement is not correct? (1) Allergic conditions are cured by antihistamines
(2) Hormones are continuously produced but not stored in the body (3) The functions of the white blood cells is to protect the body against infections (4) Catabolism involves degradation of molecules (19.) Which of the following is not a biliquid propellant? (1) 2 4 N O + unsymmetrical dimethyl hydrazine (2) Nitroglycerine + nitrocellulose (3) Hydrazine 2 4 +N O (4) Kerosene oil + liquid oxygen (20.) Select the detergent that is used to prepare cosmetics. (1) Cetyltrimethylammonium chloride (2) LAS (3) ADBS (4) Polyethylene glycol (21.) Which of the following compounds is not an antacid’? (1) Cimetidine (2) Phenelzine (3) Ranitidine (4) Aluminium hydroxide (22.) A substance which can act both as an antiseptic and disinfectant is: (1) aspirin (2) phenol (3) analgin (4) sodium pentothal (23.) Antiseptics are different from disinfectants as: (1) antiseptics merely inhibit the growth and disinfectant kill the microorganisms (2) antiseptics are used against microorganisms while disinfectants are used against insects (3) antiseptics are used only over skin while disinfectants can be taken orally also (4) antiseptics are used over living tissues while disinfectants cannot be used over living tissues (24.) Which artificial sweetener contains chlorine? (1) Aspartame (2) Saccharin (3) Sucralose (4) Alitame (25.) Sodium lauryl sulphate is a: (1) soap (2) detergent (3) both (a) and (b) (4) none of these (26.) Which of the following is an example of non‐biodegradable detergent? (1) (2)
(3) (4) 3 2 10 2 3 CH CH CH OSO Na ( ) (27.) Cetyltrimethyl ammonium bromide is a : (1) soap (2) anionic detergent (3) cationic detergent (4) none of these (28.) Which one of the following substances is a good detergent in water? (1) 13 33 3 3 ( )+ − C H N CH Cl Hexadecyltrimethyl ammonium chloride (2) C H16 34 Hexadecane (3) C H OOH 15 31 Palmitic acid (hexadecanoic acid) (4) Cetyl palmitate (hexadecyl hexadecanoate) (29.) Which detergent can cause maximum pollution? (1) ( ) ( ) ( ) 3 4 9 2 2 4 9 2 3 4 9 2 2 3 CH CH C H CH CH CH C H CH CH C H CH CH SO Na − ( ) (2) (3) (4) Detergents are always pollution free (30.) Which of the following compounds is soap? (1) CH CH CH COONa 3 2 2 (2) CH CH CHONa 3 2 14 ( ) (3) CH CH C 3 2 14 ( ) OONa (4) [CH CH COO] Ca 3 2 14 2 ( ) (31.) The antibiotic used for the treatment of typhoid is : (1) penicillin (2) chloramphenicol (3) terramycin (4) sulphadiazine (32.) Which of the following is not a surfactant? (1) 3 2 15 3 3 ( ) ( ) + − CH CH N CH Br − − (2) 3 2 14 2 2 CH CH CH NH − − ( ) (3) 3 2 2 2 ( )16 + CH CH CH OSO Na − − (4) ( 2 2 )14 OHC CH CH COO Na − + − − − (33.) Which of the following is a narrow spectrum antibiotic? (1) Penicillin G (2) Ampicillin (3) Amoxycillin (4) Vancomycin (34.) The detergent which used as a germicide is: