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4Fe+3O(2) rarr 2Fe(2)O(3) (reference to ...

`4Fe+3O_(2) rarr 2Fe_(2)O_(3)` (reference to iron )

A

`XY_(2)`

B

`X_(2)Y`

C

`X_(2)Y_(3)`

D

`XY_(3)`

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The correct Answer is:
B
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VMC MODULES ENGLISH-SOME BASIC CONCEPTS OF CHEMISTRY-IN - CHAPTER EXERCISE - C
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