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Red hot carbon will remove oxygen from t...

Red hot carbon will remove oxygen from the oxides `XO` and `Yo` but not from `ZO.Y` will remove oxygen from `XO`. Use this evidence to deduce the order of activity of the three metals `X,Y,` and `Z,` putting the most reactive first.

A

AgtBgtm

B

BgtAgtM

C

MgtBgtA

D

MgtAgtB

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The correct Answer is:
C
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Red hot carbon will remove oxygen from the oxide XO " and " YO but not from ZO . Y will remove oxygen from XO . Use this evidence to deduce the order of acitivity of the three metals X, Y and Z putting the most active frist:

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