Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Soap and DetergentsMedium · 45s
Which of these is a cationic detergent?
TopicSoap and Detergents
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Cationic detergents like CTAB have positively charged head groups and are used as germicides and hair conditioners.
Final Answer: Option B - Cetyltrimethylammonium bromide