River contaminated by alkali waste will have a pH of about? by Sunday | Aug 24 | Chemistry WAEC | 0 comments A. 1 B. 3 C. 5 D. 7 E. 9 Correct Answer: Option E – 9 Users Also Read These:A teenage that had diarrhea after eating…Transferring bacteria from contaminated to…The nitrogen obtained from air has a density higher…A boatman facing north wants to cross a flowing…When the trioxonitrate (IV) salt of an alkali metal…