Ellingham diagram is given below for the...

Ellingham diagram is given below for the formation of some oxides. The select the correct combination

A

Below `T_(2).Al_(2)O_(3)+3Mg® MgO+2Al,DG=-ve`

B

Below `T_(3),MgO+CO® CO_(2)+Mg,DG=-ve`

C

Above `T_(4),Al_(2)O_(3)+3CO® 2Al+3CO_(2) DG=-ve`

D

Below`T_(1)` MgO is in liquid state

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1

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