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

The reaction between EDTA and metal ions is pH-dependent. A pH of 10 ensures the EBT indicator works correctly and the complex remains stable.

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

Gram equivalents of solute per liter of solution. The reaction between EDTA and metal ions is pH-dependent

It maintains electrical neutrality in the half-cells and completes the circuit without mixing the two solutions. 💡 Phase Rule & Lubricants 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.