Chemistry in Everyday Life PYQs Set 6 (PDF)

Set 6 of 9 · Questions 151-180 of 245

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Mere Teacher · Previous Year Questions JEE Main Chemistry · Chemistry in Everyday Life · Set 6 (Q151-180)
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151. $Which is wrong with respect to our responsibility as a human being to protect our environment?$ (1) $Restricting the use of vehicles$ (2) $Avoiding the use of floodlighted facilities$ (3) $Setting up compost tin in gardens.$ (4) $Using plastic bags.$ 152. $Antiseptics and disinfectants either kill or prevent growth of microrganisms. Identify which of the following statements is not true. :$ (1) $Chlorine and iodine are used as strong disinfectants.$ (2) $Dilute solutions of Boric acid and Hydrogen Peroxide are strong antiseptics.$ (3) $Disinfectants harm the living tissues.$ (4) $A 0.2 % solution of phenol is an antiseptic while 1 % solution acts as a disinfectant.$ 153. $Using very little soap while washing clothes, does not serve the purpose of cleaning of clothes because$ (1) $soap particles remain floating in water as ions$ (2) $the hydrophobic part of soap is not able to take away grease$ (3) $the micelles are not formed due to concentration of soap, below its CMC value$ (4) $colloidal structure of soap in water is completely disturbed.$ 154. $The artificial sweetener that has the highest sweetness value in comparison to cane sugar is :$ (1) $Saccharin$ (2) $Sucralose$ (3) $Alitame$ (4) $Aspartame$ 155. $Which of the following is not correctly matched?$ (1) $Butylated hydroxy toluene - Antioxidant in food$ (2) $Chloramphenicol - Antiseptic$ (3) $Norethindrone - Antifertility drug$ (4) $Alitame - Artificial sweetner$ 156. $Which of the following pairs of molecules will have permanent dipole moments for both members ?$ (1) $S i F_{4} and N O_{2}$ (2) $N O_{2} and C O_{2}$ (3) $N O_{2} and O_{3}$ (4) $S i F_{4} and C O_{2}$ 157. $The following molecule with the structure acts as$ (1) $Antibiotic$ (2) $Antiseptic$ (3) $Analgesic$ (4) $Tranquilizer$ 158. $Which of the following compound does not contain sulfur atom ?$ (1) $Cimetidine$ (2) $Ranitidine$ (3) $Histamine$ (4) $Saccharin$ 159. $Which one of the following chemicals is responsible for the production of HCl in the stomach leading to irritation and pain?$ (1) (2) (3) (4) 160. $The most polar compound among the following is :$ (1) (2) (3) (4) 161. $Which of the following structure represents the compound, generally added to soaps to impart antiseptic properties?$ (1) (2) (3) (4) 162. $Food preservative sodium benzoate is eliminated from the body as which of the following metabolite?$ (1) $benzamide$ (2) $phenyl acetic acid$ (3) $benzoic acid$ (4) $Hippuric acid$ 163. $Statement-1 : Aniline on reaction with N a N O_{2} / HCl at 0ºC followed by coupling with β-naphthol gives a dark blue precipitate. Statement-2 : The colour of the compound formed in the reaction of aniline with N a N O_{2} /HCl at 0ºC followed by coupling with β-naphthol is due to the extended conjugation.$ (1) $Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.$ (2) $Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1$ (3) $Statement-1 is True, Statement-2 is False$ (4) $Statement-1 is False, Statement-2 is True$ 164. $The number of chiral centres in penicillin is$ (1) $3$ (2) $6$ (3) $2$ (4) $5$ 165. $The class of drug to which chlordiazepoxide with above structure belongs is :$ (1) $Antacid$ (2) $Analgesic$ (3) $Tranquilizer$ (4) $Antibiotic$ 166. $Sodium stearate is an anionic surfactant which forms micelles in oil. Choose the correct statement for it from the following :$ (1) $It forms spherical micelles with group pointing to wards the centre of sphere.$ (2) $It forms non-spherical micelles with - C O O^{-} group pointing outwards on the surface.$ (3) $It forms spherical micelles with group pointing outwards on the surface of sphere$ (4) $It forms non-spherical micelles with group pointing towards the centre.$ 167. $Which of the following is correct structure of tyrosine?$ (1) (2) (3) (4) 168. $Dettol is the mixture of$ (1) $chloroxylenol and bithionol$ (2) $chloroxylenol and terpineol$ (3) $phenol and iodine$ (4) $terpineol and bithionol.(KarnatakaNEET2013)$ 169. $Which of the following in an analgesic?$ (1) $Chloromycetin$ (2) $Novalgin$ (3) $Penicillin$ (4) $Streptomycin$ 170. $Salol can be used as :$ (1) $Antiseptic$ (2) $Antipyretic$ (3) $Analgesic$ (4) $Disinfectant$ 171. $What is DDT among the following :$ (1) $Greenhouse gas$ (2) $A fertilizer$ (3) $Biodegradable pollutant$ (4) $Non-biodegradable pollutant$ 172. $Novalgin is a common :$ (1) $Analgesic$ (2) $Antibiotic$ (3) $Antipyretic$ (4) $Both (a) and (c)$ 173. $Chloroamphenicol is an :$ (1) $antifertility drug$ (2) $antihistaminic$ (3) $antiseptic and disinfectant$ (4) $antibiotic-broad spectrum$ 174. $Compound A given below is -$ (1) $Antiseptic$ (2) $Antibiotic$ (3) $Analgesic$ (4) $Pesticide$ 175. $The following molecule acts as an$ (1) $Antidepressant$ (2) $Antiseptic$ (3) $Anti-bacterial$ (4) $Anti-histamine$ 176. $Gammexane is$ (1) $bromobenzene$ (2) $benzyl chloride$ (3) $chlorobenzene$ (4) $benzenehexachloride. (1999)$ 177. $Compound A given below is$ (1) $Antiseptic$ (2) $Antibiotic$ (3) $Analgesic$ (4) $Pesticide$ 178. $The drug tegamet is :$ (1) (2) (3) (4) 179. $The group present in prontosil is$ (1) $- N = N -$ (2) $- As = As -$ (3) $- C (= O) - NH -$ (4) 180. $Ortho-sulphobenzimide is used as$ (1) $Anti oxidant$ (2) $Artificial sweetener$ (3) $Food Preservative$ (4) $Food supplement$