Study Biology

Question 2

(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) H2S. B) H2S + O2. C) H2+ SO4<sup>2-</sup>. D) Ca(OH)2+ H2SO4. E) sewage liquid.


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

Answer

D

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