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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_110":424},"8HMrho7WAORNMxUOWTxq7pkhMotyOc","q","What is the value of n in the following equation? Cr₂O₇^2- + 14H⁺ + ne^- → 2Cr ³⁺ + 7H₂O","ans",[414],2,"2011","course","chemistry","opts",[420,421,422,423],"2","3","6","7",33,"33","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2011 - No. 33)

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