NCERT Solution for Class 7 Science Chapter 4 The World of Metals and Non-metals provide detailed answers to all the questions in this chapter. They help students understand the properties, uses, and reactions of metals and non-metals, and guide them in solving textbook exercises accurately.
Question : Synthetic detergents are prepared from
Option 1: Potassium salts of higher fatty acids
Option 2: Sodium salts of higher fatty acids
Option 3: Hydrocarbons of petroleum
Option 4: Glycerides
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