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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",18,"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},"yG4JieSik8zcNrFRNGqwX0pc7Opmh8","q","Which of the following pairs of substances can be distinguished by use of NaHCO₃ solution?","ans",[414],1,"2007","course","chemistry","opts",[420,421,422,423],"CH ₃CH₂OH and HCOOCH₃","CH ₃CH₂OH and CH₃COOH","CH₃COOH and HCOOH","CH ₃CH₂OH and CH₃OH",28,"28","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2007 - No. 28)

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