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 · Chemistry in Daily LifeMedium · 45s
Which compound is used as a foaming agent in toothpaste?
TopicChemistry in Daily Life
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.
It produces foam and helps in cleaning teeth effectively.
Final Answer: Option A - Sodium lauryl sulphate