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Friday, 9 October

NEET UG 2020 · Chemistry · Question 113

NEET 2020 Chemistry, question 113

Question 113 of the NEET 2020 paper (code E1) is a Chemistry question from Chemistry in Everyday Life. Its idea, Soaps and Detergents, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q113 · Chemistry

Which of the following is a cationic detergent ?

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

Official answer: option 3 · NTA final answer key

Same idea

The only question on Soaps and Detergents

No other NEET paper from 2017–2026 tested this exact idea.

Soaps and Detergents: every question and how it was framed

The chapter

Chemistry in Everyday Life in ten years of NEET

6 questions from 2017–2026, asked in 6 of 10 papers, about 0.6 a paper. Chemistry in Everyday Life alone had 6.

Chemistry in Everyday Life: questions per paper

0241’170’181’191’201’211’221’230’240’250’26