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Corrosion of Cement in the Sewer Pipe Shown Below Is

Question 42

Multiple Choice

Corrosion of cement in the sewer pipe shown below is caused by Corrosion of cement in the sewer pipe shown below is caused by A) H<sub>2</sub>S. B) H<sub>2</sub>S + O<sub>2</sub>. C) H<sub>2</sub> + SO<sub>4</sub><sup>2-</sup>. D) Ca(OH) <sub>2</sub> + H<sub>2</sub>SO<sub>4</sub>. E) sewage liquid.


A) H2S.
B) H2S + O2.
C) H2 + SO42-.
D) Ca(OH) 2 + H2SO4.
E) sewage liquid.

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