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(O
• H)₂ + H₂SO₄.
• E) sewage liquid.

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Pleasant but repressed person, who tends to internalize his or her anger and anxiety and who finds expressing emotions difficult.

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