

MCQOPTIONS
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1. |
THE_HYDROGEN_SULFIDE_GAS_FORMED_DURING_THE_FILTRATION_OF_SEWAGE_CAN_BE_REMOVED_BY?$ |
A. | Carbonation |
B. | Chlorination |
C. | Addition of lime |
D. | Titration with potassium dichromate |
Answer» C. Addition of lime | |