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NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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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
(Atomic mass of Al=27)
(Atomic mass of Al=27)
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Correct option: D
90 kg
Option D (90 kg) is correct because the balanced equation shows that 4 moles of Al are produced for every 3 moles of C consumed, and the calculation confirms this.
More Questions from GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
Practice All Chapter MCQs β
Mac Arthur and Forest cyanide process is used in the extraction of:
Which form of iron has lowest percentage of carbon?
Assertion (A): Wolframite impurities are separated from cassiterite by electromagnetic separation.
Reason (R): Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Which one is an ore of sodium? Aluminothermic process is used for the extraction of metals, whose oxides are: In the extraction of copper, the metal formed in the Bessemerβs converter is due to the reaction:
Reason (R): Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Which one is an ore of sodium? Aluminothermic process is used for the extraction of metals, whose oxides are: In the extraction of copper, the metal formed in the Bessemerβs converter is due to the reaction:
