Solved UPSC CDS/OTA Question
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Q · Chemistry in Daily LifeMedium · 45s
Which of these is used in making soaps? 1. Sodium hydroxide 2. Potassium hydroxide 3. Sodium carbonate Select the correct code:
TopicChemistry in Daily Life
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Soaps are sodium or potassium salts of fatty acids. NaOH or KOH is used in saponification.
Final Answer: Option B - 1 and 2 only