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

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

Always state the units (N, M, ppm, or ml) when giving an answer. B.tech 1st Year Chemistry Lab Viva Questions And Answers

The presence of dissolved bicarbonates of calcium and magnesium. It can be removed by boiling.

The lowest temperature at which a lubricant gives off enough vapor to ignite momentarily when a flame is applied. To help you prepare more specifically for your

Gram equivalents of solute per liter of solution.

A titration where the endpoint is determined by measuring the potential difference between two electrodes (reference and indicator). Always state the units (N, M, ppm, or

EDTA is a complexing agent. It forms stable, soluble complexes with calcium and magnesium ions, allowing for precise measurement.