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Question

FeCr2O4+NaOH+air(A)+Fe2O3
(A) + (B) Na2Cr207
Na2Cr2O7 + XΔ Cr2O3
Cr2O3 + YΔ Cr
(X) and (Y) are

A
C in both
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B
Al in both
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C
C and AI
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D
AI and C
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