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Corrosion of Cement in the Sewer Pipe Shown Below Is

Question 33

Multiple Choice

Corrosion of cement in the sewer pipe shown below is caused by

A) H₂S.
B) H₂S + O₂.
C) H₂ + SO₄^2-.
D) Ca(OH) ₂ + H₂SO₄.
E) sewage liquid.

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