1.

The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is :

Answer»

90 KG
540 kg
180 kg
270 kg

Solution :`2Al_(2)O_(3)+3Crarr4Al+3CO_(2)`
PRODUCTION of `4xx27Kg=36kg`
`therefore"Production of 270 kg of Al CONSUMERS C of anode"`
`=(36)/(4xx27)xx270=90kg.`


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