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Welcome to Elearnin, In this 3d animated videos we will teach you about Acids and Bases from the Class 11 Chemistry - CBSE – NCERT by Elearnin In this video you will learn about Acids and Bases • Arrhenius Concept of Acids and Bases • The Bronsted - Lowry Acids and Bases • Lewis Acids and Bases #Acidsandbases #Chemicalequilibrium #chemistry #CBSE #3dAnimation #Education #Class11 Arrhenius Concepts of Acids and Bases The substances that dissolve in water to produce H+ ions are called acids and the substances that dissolve in water to produce Hydroxyl ions are called bases as postulated by Arrhenius. Bronsted – Lowry concept of Acids and Bases According to the Bronsted - Lowry concept, acids are the substances capable of donating a hydrogen ion while bases are the substances capable of accepting a hydrogen ion. In simpler words, proton donors are acids and proton recipients are bases. Lewis Concept of Acids and Bases A chemical that accepts a pair of electrons is an acid while a chemical that donates a pair of electrons is called a base. This was postulated by Lewis in the year 1923. Based on Lewis concept of acids, all acids don’t contain protons.