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Chemistry in Everyday Life · Question 5

NEET (UG) 2020MCQEasy📈 Topic in 12% papers+4−1
1

Which of the following is cationic detergent?

  1. Sodium stearate
  2. Cetyltrimethyl ammonium bromide
  3. Sodium dodecylbenzene sulphonate
  4. Sodium lauryl sulphate

Answer

(2) Cetyltrimethyl ammonium bromide

Solution

As per NCERT, cationic detergents are quaternary ammonium salts of amines with acetates, chlorides or bromides as anions; the cationic part has a long hydrocarbon chain and a positive charge on the nitrogen atom. Cetyltrimethyl ammonium bromide, [CH3(CH2)15N(CH3)3]+Br-, is a cationic detergent.

Sodium stearate is a soap; sodium dodecylbenzene sulphonate and sodium lauryl sulphate are anionic detergents.

Answer: (2)

Out of syllabusNEET (UG) 2020

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2

Among the following, the narrow spectrum antibiotic is :

  1. amoxycillin
  2. chloramphenicol
  3. penicillin G
  4. ampicillin
Out of syllabusNEET (UG) 2019
3

Mixture of chloroxylenol and terpineol acts as

  1. antiseptic
  2. antipyretic
  3. antibiotic
  4. analgesic
Out of syllabusNEET 2017
4

Which of the following is an analgesic?

  1. streptomycin
  2. chloromycetin
  3. Novalgin
  4. Penicillin
Out of syllabusNEET 2016 (Phase 1)
5

Bithional is generally added to the soaps as an additive to function as a/n

  1. buffering agent
  2. antiseptic
  3. softener
  4. dryer
Out of syllabusAIPMT 2015 (Cancelled)
6

Artificial sweetener which is stable under cold conditions only is

  1. saccharine
  2. sucralose
  3. aspartame
  4. alitame
Out of syllabusAIPMT 2014
7

Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statements is not true.

  1. Dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.
  2. Disinfectants harm the living tissues.
  3. A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant.
  4. Chlorine and iodine are used as strong disinfectants.
Out of syllabusNEET 2013
8

Dettol is the mixture of

  1. chloroxylenol and bithional
  2. chloroxylenol and terpineol
  3. phenol and iodine
  4. terpineol and bithionol
Out of syllabusNEET 2013 (Karnataka)
9

Chloramphenicol is an

  1. antifertility drug
  2. antihistaminic
  3. antiseptic and disinfectant
  4. antibiotic-broad spectrum
Out of syllabusAIPMT 2012 (Mains)
10

Which one of the following is employed as antihistamine?

  1. Chloramphenicol
  2. Diphenhydramine
  3. Norethindrone
  4. Omeprazole
Out of syllabusAIPMT 2011 (Prelims)
11

Which one of the following is employed as a tranquilizer drug?

  1. Promethazine
  2. Valium
  3. Naproxen
  4. Mifepristone
Out of syllabusAIPMT 2010 (Prelims)

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