Engineering Chemistry Laboratory Viva voice questions and answers
7. Estimation of Total Dissolved Solids of a water sample by Gravimetry
Chemistry (Lab) Practical : Viva – voice questions & answers
Engineering Chemistry Laboratory : 7. Estimation of Total Dissolved Solids of a water sample by Gravimetry : Viva – voice questions & answers
VIVA – VOICE QUESTIONS & ANSWERS
7. Estimation of Total Dissolved Solids of a water sample by Gravimetry
1.
What is TDS
TDS,
Total Dissolved Solids, is the total amount of dissolved substances present in
water.
2.
What is the level of TDS in fresh water, brackish water and saline water?
Fresh
water < 1500 mg/L
Brackish
water 1500 to 5000 mg/L
Saline
water > 5000 mg/Lit
3.
What type of dish used for this experiment
Porcelain
dish
4.
What is the chemical substance used in the desiccator
Calcium
chloride
5.
Say whether it is true (or) false. High total dissolved solids indicate, lower level
of hardness.
False
6.
Say whether it is true (or) false The concentration of dissolved solids in water
can be determined by specific conductance.
False
7.
What is the name of dissolved solids that impose BOD?
Volatile
solids
8.
As per IS code, What is the acceptable TDS value for water
500
ppm
NS & ANSWERS
Engineering Chemistry Laboratory Viva voice questions and answers : Tag: : Chemistry (Lab) Practical : Viva – voice questions & answers - 7. Estimation of Total Dissolved Solids of a water sample by Gravimetry
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Physics and Chemistry Laboratory
BS3171 Practical Experiment 2021 Regulation | 1st Semester Common to all Dept 2021 Regulation