CBSE Guess > Papers > Important Questions > Class X > 2014 > Chemistry > Chemistry By Mrs. Kritika Bhola
CHEMISTRY CBSE CLASS X Soaps and Detergents Detergent – Any substance which has cleansing action in water. Soaps Sodium or potassium salt of a long chain carboxylic acid( fatty acid) which has cleansing properties in water. It has a large non-ionic hydrocarbon group and an ionic group , COONa. Eg. Sodium Stearate – C17H35COONa Sodium Palmitate – C15H31COONa
Manufacture of soap Soap is made from animal fat or vegetable oils which when heated with sodium hydroxide solution ( caustic soda solution) , split to form sodium salt of higher fatty acid ( soap) and glycerol. Saponification The process of making soap by the hydrolysis of fats and oils with alkalis .
Structure of a Soap Molecule A soap molecule is made up of 2 parts : a long hydrocarbon and a short ionic part .
CBSE Important Questions Class X Chemistry By : Mrs. Kritika Bhola
Submitted By Mrs. Kritika Bhola |