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For given oxides calculate (("X"+"Y"))/(...

For given oxides calculate `(("X"+"Y"))/(2)` `FeO,Cr_(2)O_(3),MnO,ZnO,CO,Na_(2)O,Al_(2)O_(3), PbO_(2) ,BaO`
where :
X= Number of oxides which reacts only with acid
Y= Number of neutral oxides "]

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