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:Transferring bacteria from contaminated to…Which of the following substances with the…The alkali metals exhibit similar chemical…The role of an Alkali under the Hausa-Fulani…When the trioxonitrate (IV) salt of an alkali metal…