An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

A well-established technique, acid-base titration is an analytical method used to determine the concentration of an unknown acid or base. In practice, it involves adding a solution of known strength ...

Several theories have been developed to explain the behaviour of acids and bases. The most notable theories include the Arrhenius concept, the Brønsted-Lowry theory, and the Lewis concept. In the ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Chemists have long known that catalytic Lewis acidic and Lewis basic sites on metal and metal oxide surfaces help spark a range of reactions that are important in industrial chemical and fuel ...

COOH) represents the protonated form of the organic acid, whereas lactate (CH₃CH (OH)COO⁻) represents its conjugated base.

Chapter 5 (Acids, Bases and Salts) of Class 7 Science NCERT Book (PDF) is available here for download in PDF format. Get it now & prepare for CBSE Class 7 Science exam. It is one of the most important ...