Soaps | Class XII

Soaps: It is a sodium or potassium salts of long chain fatty acids like stearic, oleic and palmitic acid. This reaction…


Continue Reading →

Properties of colloids | Class XII

Positively charged colloidal particles:These include hydrated metallic oxides such as Fe2O3.H2O, Cr2O3.H2O, Al2O3.H2O Basic dye stuff like malachite green, methylene…

Continue Reading →

General Characteristics of transition elements | Class XII

a. Metallic character: All transition elements are metallic in nature, i.e. they have strong metallic bonds. This is because of…

Continue Reading →