I. ZnO + C to Zn + CO uarr II. PbO + C to Pb + CO uarr III. Cr_(2)O_ – InterviewSolution

1.	I. ZnO + C to Zn + CO uarr II. PbO + C to Pb + CO uarr III. Cr_(2)O_(3) + 2Al to Al_(2)O_(3) + 2Cr IV. P_(4)O_(10) + 2Crto 2CrO_(5) + P_(4) uarr V. Al_(2)O_(3) + 2Cr to Cr_(2)O_(3) + 2Al Out of the above non-feasible is (are):
Answer» IV and V II, III and IV I and IV None except V Answer :A

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