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Grade: 12th pass
        
Explain the following types of substance with one suitable example, for each case:
(i) Cationic detergents
(ii) Food preservatives
7 months ago

Answers : (2)

Arun
24740 Points
							
Cationic Detergents : Cationic detergents are quarternary ammonium salts of amines with acetates, chlorides or bromides as anions. Cationic part possess a long hydrocarbon chain and a positive charge on nitrogen atom. Hence, these are called cationic detergents. Cetyltrimethylammonium bromide is a popular cationic detergent and is used in hair conditioners.
7 months ago
Arun
24740 Points
							
Food Preservatives: These are the chemical substances which are added to the food materials to prevent their spoilage due to microbial growth and to retain their nutritive value for long periods. Preservatives prevent the rancidity of food and inhibit growth or kill the microganisms The most-common preservations used are, sugar table salt, sodium benzoate, Sodium metabisulphite sorbic acid and propanoic acid.
7 months ago
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