B.tech 1st Year Chemistry Lab Viva Questions And Answers -

A measure of how much a lubricant's viscosity changes with temperature. A high V.I. means the viscosity stays stable across temperatures.

chosen as the standard for hardness? Its molecular weight is exactly 100, which simplifies calculations, and it is the most common insoluble salt in water. ⚡ Instrumental Methods B.tech 1st Year Chemistry Lab Viva Questions And Answers

It measures the change in electrical conductivity of the solution as the titrant is added. The endpoint is where the conductivity reaches a minimum or maximum. A measure of how much a lubricant's viscosity

Usually expressed in ppm (parts per million) or mg/L as CaCO3CaCO sub 3 equivalents. 4. Why is CaCO3CaCO sub 3 which simplifies calculations

Eriochrome Black-T (EBT). It changes from wine-red to steel blue at the endpoint. 💧 Water Analysis