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General Knowledge · Q681

Practice

Competitive Exams · General Knowledge · question 681

Q681

Synthetic detergents are prepared from

A.
Potassium salts of higher fatty-acids
B.
Sodium salts of higher fattyacids
C.
Hydrocarbons of petroleum
Answer
D.
Glycerides

Answer: Option C

Solution

Answer: Option C
Solution:
Synthetic detergents are prepared from hydrocarbons of petroleum. They are sodium salts of a long chain benzene sulphonic acids or sodium salts of long chain alkyl hydrogen sulphates. Calcium and magnesium salts of detergents are soluble in water. Therefore cleansing action of detergents remain unaffected in hard water.