Education Chemistry

Chapter 7_5: Acids, Bases and Salts: · Acids are sour in taste. Bases are bitter in taste and soapy to touch. â · Acid turns blue litmus red. Bases turn red litmus…

Documents COLLOIDS.pdf

COLLOIDS THE COLLOIDAL STATE: While studying the diffusion of solutions through an animal membrane, Thomas Graham (1861) observed that certain substances such as sugar, urea,…