Solved UPSC CDS/OTA Question
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Q · Chemistry in Daily LifeMedium · 45s
Which of the following statements is/are correct about detergents? 1. Detergents are sodium salts of long-chain benzene sulphonic acids or alkyl hydrogen sulphates. 2. They can work in both hard and soft water. Select the correct answer using the codes below:
TopicChemistry in Daily Life
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Q 1 / 30Next question →
Step-by-Step Solution
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Detergents are synthetic cleansing agents that are sodium salts of long chain benzene sulphonic acids or alkyl sulphates. Unlike soaps, they do not form insoluble precipitates in hard water.
Final Answer: Option C — Both 1 and 2