engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Quality of Water

A water sample contains the following dissolved ions.

[Na ⁺] = 10 meq/l

[Ca ²⁺] = 12 meq/L

[Mg^2+] = 20 meq/L

[Cl ^-] = 15 meq/L

[SO₄^2-] = 15 meq/L

[ HCO₃^-]= 30 meq/L

[CO₃^2-] = 05 meq/L

pH = 8.5 meq/L

1

Total hardness of the sample in mg/l as CaCO₃ is 1600 mg/l

2

Carbonate Hardness of the sample in mg/l as CaCO₃is 1600 mg/l and Non Carbonate Hardness in mg/l as CaCO₃is 150 mg/l

3

Total hardness of the sample in mg/l as CaCO₃ is 1750 mg/l

4

Non Carbonate Hardness of the sample in mg/l as CaCO₃is 0 mg/l and Carbonate Hardness in mg/l as CaCO₃ is 1600 mg/l

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