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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",19,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":427},"MpWVx7UE8MDFGxGUVMgjFP5M3XZ0VD","q","100 cm³ of oxygen is made to react with 50 cm ³ of hydrogen, and the whole reaction mixture was then passed through anhydrous calcium chloride. What is the volume of gas left?","ans",[414],3,"1982","course","chemistry","exp","2H₂ + O₂ → 2H₂O
\n2V₃ 1V₃ 2V
\n50cm 100 —
\n50cm 25cm³ 50cm³
\nVolume of gas left = (100 - 25)cm³ of O₂ = 75 cm³ of O₂","opts",[422,423,424,425,426],"5 cm³","25 cm³","50 cm³","75 cm³","100 cm³",26,"26","initComment","initReply","actionData","errors"]

JAMB - Chemistry (1982 - No. 26)

Explanation

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