B.tech 1st Year Chemistry Lab Viva Questions And Answers < LEGIT | 2026 >

Eriochrome Black-T (EBT). It changes from wine-red to steel blue at the endpoint. đź’§ Water Analysis

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

Gram equivalents of solute per liter of solution. B.tech 1st Year Chemistry Lab Viva Questions And Answers

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

Always state the units (N, M, ppm, or ml) when giving an answer. Eriochrome Black-T (EBT)

What were included in your lab syllabus?

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

For colorless liquids, read the lower meniscus; for colored liquids, read the upper one.