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x,y and z in the following processes are...

x,y and z in the following processes are respectively
(i) `P_(2)O_(5) +....x... rarr Ca_(3)(PO_(4))_(2)`
(ii) `2Cu_(2)O + Cu_(2)S rarr ...y... +SO_(2) uarr`
(iii) `Fe_(2)O_(3) +2CO rarr ....x ... + 3CO_(2)uarr`

A

`3Ca, CuSO_(4), Fe`

B

`3Ca(OH)_(2),6Cu, FeO`

C

`3CaO, 6Cu, 2Fe`

D

`3CaO_(2), CuS, FeO`

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The correct Answer is:
C
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