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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":414,"_415":416,"_263":370,"_417":418,"_110":423},"PVqWtJIF2y0PGJWEk9GvomUhW6KDXv","q","Which of the following compounds with the corresponding masses contain the highest percentage of nitrogen? [N = 14]","ans",[95],"2008","course","chemistry","opts",[419,420,421,422],"NH₃ = 17","NH₄CI = 53.5","NH₄NO₃ = 80","(NH₃)₂SO₄ = 132",13,"13","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2008 - No. 13)

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