`FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7)`` P:FeCr_(2)O_(4)+NaOH+airto A+Fe_(2)O_(3)Q:` `A+Bto Na_(2)Cr_(2)O_(7)``R:Na_(2)Cr_(2)O_(7)+Xoverset(Delta)toCr_(2)O_(3)``S:Cr_(@)O_(3)+YtoCr` COmpounds (A) and(B)are:-A. `Na_(2)Cr.O_(4),H_(2)SO_(4)`B. `Na_(2)Cr_(2)O_(7),HCl`C. `Na_(2)CrO_(5),H_(2)SO_(4)`D. `Na_(4)[Fe(OH)_(6)],H_(2)SO_(4)`

`FeCr_(2)`(chromite ) is a good soure of chromium and its compounds li

1.	`FeCr_(2)`(chromite ) is a good soure of chromium and its compounds like `Na_(2)CrO_(4),Na_(2)Cr_(2)O_(7)`` P:FeCr_(2)O_(4)+NaOH+airto A+Fe_(2)O_(3)Q:` `A+Bto Na_(2)Cr_(2)O_(7)``R:Na_(2)Cr_(2)O_(7)+Xoverset(Delta)toCr_(2)O_(3)``S:Cr_(@)O_(3)+YtoCr` COmpounds (A) and(B)are:-A. `Na_(2)Cr.O_(4),H_(2)SO_(4)`B. `Na_(2)Cr_(2)O_(7),HCl`C. `Na_(2)CrO_(5),H_(2)SO_(4)`D. `Na_(4)[Fe(OH)_(6)],H_(2)SO_(4)`
Answer» Correct Answer - a

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