Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 4 (Q.No. 38)

Waste Water Engineering

38.

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains

Hydrogen sulphide

Carbon dioxide

Methane

Oxygen

None of these.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

Dvs said: 8 years ago

Lead Acetate Test Paper detects Hydrogen Sulfide in water in concentrations as low as 5ppm.

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