Solved papers for JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

done JEE Main Paper (Held on 7 May 2012) Total Questions - 1

• question_answer1) Which of the oxide groups among the following cannot be reduced by carbon?
  A)
  \[C{{u}_{2}}O,Sn{{O}_{2}}\]                       
  done clear
  B)
                         \[CaO,{{K}_{2}}O\]
  done clear
  C)
                         \[PbO,F{{e}_{2}}{{O}_{4}}\]                       
  done clear
  D)
                         \[F{{e}_{2}}{{O}_{3}},ZnO\]
  done clear
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