In this article we will discuss about the determination and measurement of pH. Determination of pH: For routine work pH of a solution is determined with pH paper, and pH meter. I. pH Paper: pH papers of both broad and close ranges are available. Those are dispensed in reels. The colour of the paper changes with pH. The colours produced [...]
The following article will guide you about how to prepare buffers. Substances diminishing the change in pH, which would otherwise occur in the solution, are known as buffers. Chemical reactions are almost always associated with a change in pH in a solution. Variation in pH causes change in the reaction rate or velocity of reaction. The change in pH is [...]
In this article we will discuss about the Meaning and Factors of Viscosity. Definition of Viscosity: The resistance experienced by one layer of a liquid in moving over another layer is called "visÂcosity". Viscosity varies greatly. Ether and gasoline have little viscosity and are quite mobile. But honey and coal-tar have high viscosities. The unit of viscosity is the "Poise", [...]