B.tech 1st Year Chemistry Lab Viva Questions And Answers 〈Direct Link〉

To help you prepare more specifically for your upcoming exam:

Molar (M): Moles of solute per liter of solution.

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

A titration where the endpoint is determined by measuring the potential difference between two electrodes (reference and indicator).

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. To help you prepare more specifically for your

The presence of chlorides and sulfates of calcium and magnesium.

The presence of dissolved bicarbonates of calcium and magnesium. It can be removed by boiling. ⚡ Instrumental Methods A titration where the endpoint

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