Chemistry in Everyday Life PYQs Set 7 (PDF)

Set 7 of 8 · Questions 181-210 of 240

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher · Previous Year Questions NEET Chemistry · Chemistry in Everyday Life · Set 7 (Q181-210)
Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.
181. $The liquified gas that is used in dry cleaning along with a suitable detergent is$ (1) $water gas$ (2) $petroleum gas$ (3) $N O_{2}$ (4) $C O_{2} . (OdishaNEET2019)$ 182. $Which cleansing agent gets precipitated in hard water?$ (1) $Sodium lauryl sulphate$ (2) $Sodium stearate$ (3) $Cetyl trimethyl ammonium bromide$ (4) $Sodium dodecyl benzene sulphonate$ 183. $If dichloromethane (DCM) and water (H_{2} O) are used for differential extraction, which one of the following statements is correct ?$ (1) $DCM and H_{2} O will make turbid/colloidal mixture$ (2) $DCM and H_{2} O will be miscible clearly$ (3) $DCM and H_{2} O would stay as lower and upper layer respectively in the separating funnel (S.F.)$ (4) $DCM and H_{2} O would stay as upper and lower layer respectively in the separating funnel (S.F.)$ 184. $Some drugs bind to a site other than, the active site of an enzyme. This site is known as$ (1) $non-active site$ (2) $allosteric site$ (3) $competitive site$ (4) $therapeutic site$ 185. $Which of the following is used for inducing sleep?$ (1) $paracetamol$ (2) $chloroquine$ (3) $bithional$ (4) $barbituric acid derivatives$ 186. $Which of the following compounds is used as a body deodorant ?$ (1) $Aspirin$ (2) $Omeprazole$ (3) $Indigosol-O$ (4) $p-Chlorometaxylenol$ 187. $Taj Mahal is being slowly disfigured and discoloured. This is primarily due to :$ (1) $Global warming$ (2) $Acid rain$ (3) $Water pollution$ (4) $Soil pollution$ 188. $Bithional is generally added to the soaps as an additive to function as a/an$ (1) $buffering agent$ (2) $antiseptic$ (3) $softener$ (4) $dryer.(2015, Cancelled)$ 189. $Which of the following compounds does not form salt with NaOH ?$ (1) (2) (3) (4) 190. $Which one of the following is employed as a tranquilizer ?$ (1) $Equanil$ (2) $Naproxen$ (3) $Tetracycline$ (4) $Chlorpheninamine$ 191. $Which of the following is/are antidepressant drug/s ?$ (1) $Cocaine$ (2) $Benzedrine$ (3) $Tofranil$ (4) $All the three$ 192. $The reason for "drug induced poisoning" is :$ (1) $Bringing conformational change in the binding site of enzyme$ (2) $Binding reversibly at the active site of the enzyme$ (3) $Binding irreversibly to the active site of the enzyme$ (4) $Binding at the allosteric sites of the enzyme$ 193. $Which of the following chemicals are used to manufacture methyl isocyanate that caused “Bhopal Tragedy”? (i) Methylamine (ii) Phosgene (iii) Phosphine (iv) Dimethylamine$ (1) $(i) and (iii)$ (2) $(iii) and (iv)$ (3) $(i) and (ii)$ (4) $(ii) and (iv)$ 194. $Chloroxylenol is an example of____$ (1) $antiseptic$ (2) $antipyretic$ (3) $analgesic$ (4) $tranquiliser$ 195. $Saccharin, an artificial sweetener, is manufactured from$ (1) $cellulose$ (2) $toluene$ (3) $cyclohexane$ (4) $starch.$ 196. $Which among the following is used as food preservative?$ (1) $C_{6} H_{5} CH_{2} O na$ (2) $C_{6} H_{5} COOONa$ (3) $C_{6} H_{5} COONa$ (4) $C_{6} H_{5} CH = CHCOONa$ 197. $The artificial sweetner stable at cooking temperature and does not provide calories is$ (1) $saccharin$ (2) $aspartame$ (3) $sucralose$ (4) $alitame.(OdishaNEET2019)$ 198. $Given below are two statements : Statement 1: Noradrenaline is a neurotransmitten Statement II : Low level of noradrenaline is not the cause of depression in human. In the light of the above statements, choose the correct answer from the options given below$ (1) $Statement I is correct but Statement II is incorrect$ (2) $Statement I is incorrect but Statement II is correct$ (3) $Both Statement I and Statement II are correct$ (4) $Both Statement I and Statement 11 are incorrect$ 199. $A drug that is antipyretic as well as analgesic is :$ (1) $chloroquin$ (2) $penicillin$ (3) $paracetamol$ (4) $chloropromazine hydrochloride$ 200. $Butylated hydroxy toluene as a food additive acts as$ (1) $antioxidant$ (2) $flavouring agent$ (3) $colouring agent$ (4) $emulsifier.$ 201. $Which is the major product formed when acetone is heated with iodine and potassium hydroxide ?$ (1) $Iodoacetone$ (2) $Acetic acid$ (3) $Iodoform$ (4) $Acetophenone$ 202. $Amongthefollowing, thenarrowspectrum antibiotic is$ (1) $chloramphenicol$ (2) $penicillin G$ (3) $ampicillin$ (4) $amoxycillin.(NEET2019)$ 203. $The drug used as post operative analgesic in medicine is$ (1) $L-dopa$ (2) $amoxycillin$ (3) $sulphapyridine$ (4) $morphine$ 204. $Mixture of chloroxylenol and terpineol acts as :$ (1) $Analgesic$ (2) $Antiseptic$ (3) $Antipyretic$ (4) $Antibiotic$ 205. $Which one of the following statements is not true about enzymes ?$ (1) $Enzymes are non-specific for a reaction and substrate.$ (2) $Almost all enzymes are proteins.$ (3) $Enzymes work as catalysts by lowering the activation energy of a biochemical reaction.$ (4) $The action of enzymes is temperature and pH specific$ 206. $Match List I with List II LIST I Type A. Antifertility drug B. Tranquilizer C. Antihistamine D. Antibiotic LIST II Name I. Norethindrone II. Meprobomate III. Seldane IV. Ampicillin Choose the correct answer from the options given below:$ (1) $A-II,B-I,C-III,D-IV$ (2) $A-IV,B-III,C-II,D-I$ (3) $A-I,B-II,C-IV,D-III$ (4) $A-I,B-II,C-III,D-IV$ 207. $Match List I with List II List-I (A) Tranquilizers (B) Aspirin (C) Antibiotic (D) Antiseptic List-II (I) Anti blood clotting (II) Salvarsan (III)Antidepressant drugs (IV) Soframicine Choose the correct answer from the options given below:$ (1) $(A) - IV, (B) - II,(C) - I,(D) - III$ (2) $(A) - II, (B) -I, (C) - III, (D) - IV$ (3) $(A) - III, (B) - I, (C) - II, (D) - IV$ (4) $(A) - II, (B) - IV, (C) -1, (D) - III$ 208. $Phthalic acid reacts with resorcinol in the presence of concentrated H_{2} S O_{4} to give :$ (1) $Phenolphthalein$ (2) $Alizarin$ (3) $Coumarin$ (4) $Fluorescein$ 209. $The measured BOD values for four different water samples (A-D) are as follows: A = 3 ppm: B=18 ppm: C-21 ppm: D=4 ppm. The water samples which can be called as highly polluted with organic wastes, are$ (1) $A and B$ (2) $A and D$ (3) $B and C$ (4) $B and D$ 210. $A doctor prescribed the drug Equanil to a patient. The patient was likely to have symptoms of which disease?$ (1) $Stomach ulcers$ (2) $Hyperacidity$ (3) $Anxiety and stress$ (4) $Depression and hypertension$